Eun Ae, struggling with her AI project, finally finds hope as she secures a major investment offer.

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Terminally ill Kang Su summons Gyeol to Korea while Ji Hun confesses his love to Eun Ae after a secret deal.

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Eun Ae is shocked by the blocked server and Kang Su's family is unsettled by Gyeol's sudden return.

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Gyeol mistakes Eun Ae for a pickpocket, and Kang Su prepares a major announcement for his family.

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Kang Su declares a succession race for Kangsu Group, and Eun Ae visits the office to reclaim her company.

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Gyeol starts working at Kangsu Construction to compete with Min Ho and Eun Ae begins a protest to reclaim Joy.

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Eun Ae finds her father working as a cleaner at Kangsu Construction and Gyeol starts working as the TF leader.

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Eun Ae receives a notice from Kangsu Construction and seeks help to reclaim Joy after her failed negotiation.

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Eun Hyeong faces a crisis, and Eun Ae helps Yeong Hwa, then sneaks into Kangsu Construction to reclaim Joy.

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Eun Ae is detained for sneaking into Kangsu, and Seong Jun tries to settle the matter without Yeon Ja knowing.

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Gyeol offers Eun Ae an internship at Kangsu, and Yeon Ja begins to grow suspicious of Seong Jun's behavior.

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Eun Ae and Seong Jun confess the truth to Yeon Ja, and Eun Ae starts her first day at Kangsu as an intern.

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Eun Ae demands her share of the money from Ji Hun, and Seung Wu carries out his revenge against Eun Nim.

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Yeon Ja is upset over Eun Hyeong's unemployment and Eun Ae is flustered when she learns about the competition.

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Yeon Ja gets into a nerve war with Su Jeong at Kangsu, and Eun Ae learns about Gyeol's career as an architect.

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Eun Ae sneakily views photos on Gyeol's computer, and Eun Hyeong shocks Ji Seon by skipping his job interview.

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Gyeol takes a drunk Eun Ae home, and Seung Ri feels jealous while Seung Wu gets a new collaboration offer.

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Su Jeong gets caught searching Yeong Hwa's room, and Ji Seon asks Yeon Ja for money to help Eun Hyeong.

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Eun Ae finds Gyeol playing cards at a senior center, and Min Ho takes a drunk Seung Ri home after dinner.

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Eun Ae has a conflict with Yeon Ja over her money, and Gyeol makes a photo folder of Eun Ae on his computer.

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Ji Seon sends the money to Eun Hyeong, and Gyeol holds his first meeting for the retirement community project.

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Yeon Ja recalls the past after Eun Ae's outburst, and Kang Su takes a trip with Yeong Hwa to see flowers.

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Gyeol rushes to the hospital upon hearing that Kang Su has collapsed, and Seung Ri grows wary of Eun Ae.

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Seung Ri changes her attitude toward Gyeol, and Dae Chi overhears the password to Kang Su's safe.

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Dae Chi attempts to open Kang Su's safe, and Eun Ae plans to meet Eun Nim at Kangsu Construction.

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Yeon Ja and Yeong Hwa comfort each other at the hospital while Dae Chi and Su Jeong sneak into Kang Su's room.

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Seung Ri is shocked to see Gyeol and Eun Ae together, and Min Ho encourages her to win the competition.

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Seung Ri warns Eun Ae about rumors at work, and Yeon Ja tells her family she will focus on her own life now.

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Eun Ae shares her sincere feelings with Seung Ri, and Seong Jun accepts Dae Chi's job offer.

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Yeon Ja is devastated after seeing Seong Jun at Kangsu Construction, and Gyeol visits Eun Ae's neighborhood.

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Yeon Ja buries herself in housework as Eun Nim watches with concern. A busy Eun Ae gets a call about Yeon Ja.

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Kang Su receives an age-progressed image of Yeon Sun, and Yeon Ja meets Ji Seon to offer unexpected advice.

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The competition begins with contrasting concepts, and Ji Seon talks to Seong Jun and the family about Yeon Ja.

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Yeon Ja wails as Seong Jun remains unconscious, and Min Ho finds Gyeol's card at Seung Ri's house.

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Gyeol goes to look for Eun Ae and finds her at the playground. He finds himself intrigued by her lucky charm.

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Gyeol visits the columbarium on his father's memorial day, and Eun Ae hesitates to wish him a happy birthday.

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Gyeol realizes his feelings for Eun Ae after his birthday, and Seung Ri and Min Ho find his cake the next day.

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Gyeol decides to move out and looks for a new place. Meanwhile, Min Ho confesses his feelings to Seung Ri.

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Eun Ae's family discovers that Gyeol is their new tenant, and Eun Ae urges him to find another room.

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Gyeol and Eun Ae commute together. Min Ho focuses on work, and Seung Ri struggles with Gyeol's confession.

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Yeon Ja reunites with Yeong Hwa at Dae Chi's gathering. Gyeol and Eun Ae spend time bickering at home.

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Yeon Ja worries about Seong Jun after the gathering. Gyeol and Eun Ae enjoy a lovely date in the neighborhood.

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Yeong Hwa goes to the police station to meet her long-lost daughter, and Su Jeong anxiously waits at home.

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Seong Jun suspects that Gyeol and Eun Ae may be more than just colleagues. Yeong Hwa weeps for her lost child.

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Eun Ae and Gyeol encounter Min Ho and Seung Ri while commuting. Ji Seon tells Eun Hyeong her decision.

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Min Ho decides to propose to Seung Ri and meets Gwon Sik. Gyeol convinces Eun Ae to go home together.

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Eun Ae gets startled after walking into Gyeol's room. Seung Ri asks Min Ho about Gyeol's housing arrangement.

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Seung Ri asks Eun Ae to meet secretly. Eun Ae has no choice but to lie to Gyeol about having plans after work.

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Eun Hyeong moves into Seong Jun's house. Seung Ri confirms that Gyeol and Eun Ae are living together.

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Gyeol offers to help Eun Ae with her work. Su Jeong finds information on Yeong Hwa's lost daughter.

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Su Jeong is shocked to find a necklace that matches Yeong Hwa's at Yeon Ja's house. Min Ho plans his proposal.

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Eun Ae confesses her love to Gyeol, and Dae Chi and Su Jeong plot to open the safe using Yeon Ja's birthday.

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Min Ho seeks Gwon Sik's help to stop Seung Ri. Gyeol and Eun Ae stumble across Yeon Ja's hidden past.

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Min Ho's proposal to Seung Ri shocks Dae Chi and Su Jeong. Meanwhile, Eun Ae and Gyeol go on a business trip.

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Su Jeong's hair-pulling brawl causes chaos, and Gyeol and Eun Ae's matching shirts stir up the office.

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Eun Ae and Gyeol officially start dating. Meanwhile, Dae Chi and Su Jeong receive a shocking DNA test result.

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Eun Ae installs a people-finder app for Yeong Hwa, and Seung Ri heads to Gyeol's room while he is with Eun Ae.

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Su Jeong opposes Eun Ae's relationship with Gyeol, and Min Ho arrives late to apologize on her behalf.

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Yeon Ja recalls a painful memory after seeing the rice cake, and Gyeol asks Eun Ae to meet in the yard.

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Yeon Ja gets angry when Eun Ae asks to see her old necklace. Eun Ae also asks Seung Ri for an apology.

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Eun Ae and Gyeol look all over for Yeong Hwa as her whereabouts become unknown, but she is nowhere to be seen.

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Seung Ri is shocked to see Gwon Sik being blackmailed. Eun Ae is torn over her relationship with Gyeol.

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Eun Ae and Gyeol build deeper trust by sharing secrets. Min Ho sees them together during a walk with Seung Ri.

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Yeon Ja gets confused by Yeong Hwa's confession, and Gyeol learns about Seung Ri's plans to study abroad.

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Seung Ri investigates Gwon Sik's past, and Gyeol plans to revisit a senior center with Eun Ae.

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Eun Ae worries about Gyeol, who hyperventilated in the car, and Seong Jun learns about Gyeol's past.

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A shocking video is played during the competition. Meanwhile, Yeon Ja feels resentment toward Yeong Hwa.

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Kang Su advises Gyeol to stop hiding his pain. Seung Ri finds herself in danger while chasing Dong Pal.

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Yeon Ja reconciles with Yeong Hwa to the family's delight but is saddened to learn that Gyeol was adopted.

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Gyeol tells Eun Ae about the living funeral. Gwon Sik worries that Seung Ri may know about his dark past.

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Gyeol realizes his nightmares are forgotten memories. Worried, Eun Ae checks his Mind Post Office log.

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Kang Su plans to add Yeon Ja to his family registry. Eun Ae makes a dreamcatcher for Gyeol's nightmares.

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Gyeol runs into Gwon Sik while investigating his past, and Eun Ae plans a special event to comfort him.

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Gwon Sik feels tormented by his past murder conviction, which nearly put Seung Ri in danger.

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As Kang Su falls ill on the day of his living funeral, Yeon Ja tries to cancel the event, but he refuses.

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Gyeol is thrown into confusion as some of his memories resurface, and Eun Ae feels deeply sorry for him.

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Seong Jun asks Gyeol about his past, and Yeon Ja decides not to register for Gyeol and Eun Ae's sake.

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Dae Chi provokes Gwon Sik about Gyeol's search, while Eun Ae discovers a news article about the accident.

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Dae Chi fights with Gwon Sik and Seung Ri feels a strange familiarity upon hearing Gyeol's father's name.

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Seung Ri is shocked to hear the truth in Gwon Sik's study while Min Ho stays by her side through her fever.

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Seong Jun takes out an old high school album and gets flustered when Gyeol catches him looking at it.

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Eun Ae and Gyeol go to see Gwon Sik after Min Ho leaves and witness a fight between Dae Chi and Seong Jun.

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Dae Chi, Seong Jun, and Gwon Sik clash fiercely over uncovering the truth of the accident from 25 years ago.

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Dae Chi witnesses Gyeol having a nightmare, and the two end up having a conversation about Su Cheol.

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Gwon Sik agonizes over his dilemma concerning Gyeol. Eun Ae and Seong Jun discuss Gyeol's returning memories.

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Dae Chi feels anxious about the black box memory card. Gwon Sik and Seong Jun clash over the truth.

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Gyeol opens his father's keepsake box with Eun Ae. Seung Ri finds a video on Gwon Sik's laptop.

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Unintended chaos unfolds at the wedding, and Gwon Sik hastily steps in to manage the situation.

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Gwon Sik asks Seung Ri to leave the past behind, and Eun Ae gets a new clue about the accident.

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Seung Ri declares she will live at Kang Su's house, and Gyeol shares a decision with Eun Ae.

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Kang Su questions Dae Chi and Gwon Sik. Meanwhile, Gyeol and Eun Ae share their decision to marry.

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Eun Ae and Gyeol get a crucial clue. Min Ho suspects that Dae Chi, Gwon Sik and Seong Jun are hiding a secret.

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Gyeol feels lost after reading the Prosecutor's Office files, and Min Ho resolves to uncover the secret.

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Gwon Sik kneels before Gyeol and talks to him about his father's accident, making Gyeol fly into a rage.

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Seong Jun and Eun Ae repair the walkie-talkie, and Gyeol recalls a clue about the real culprit.

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Gyeol is shocked to learn who saved him. Meanwhile, Seong Jun gives Gwon Sik an ultimatum to tell the truth.

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Gyeol is deeply shocked after overhearing a conversation, prompting Eun Ae to decide to tell him everything.

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Gyeol coldly pushes Eun Ae away. Meanwhile, Jeong Ran is shocked to learn about Gwon Sik's past.

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Gyeol decides to seek revenge on Dae Chi, while Dae Chi takes action to destroy the evidence.

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Gyeol pushes Eun Ae away. Later, he overhears a conversation between Kang Su and Gwon Sik, leaving him uneasy.

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Gyeol learns about Kang Su's actions. Meanwhile, Eun Ae strengthens her resolve to stay by Gyeol's side.

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A secret conversation shocks Min Ho to his core. Gyeol heads to the orphanage to uncover the truth.

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Gyeol questions Yong Man about the accident, and Min Ho secretly attempts to check Seung Ri's cell phone.

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Eun Ae stops Dae Chi from breaking into Gyeol's place, and Gyeol coldly kicks Eun Ae out of a meeting.

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Gyeol says he will have his adoption dissolved, and Min Ho warns Gyeol to leave Seung Ri alone.

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Eun Ae tries to change Gyeol's mind but gets pushed away while Gwon Sik's past is revealed.

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Eun Ae reaches out to Gyeol, while Min Ho falls into deep turmoil after hearing Seung Ri's story.

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Gyeol deeply blames himself, and Su Jeong makes a major decision after learning the truth.

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Eun Ae tries to stop Dae Chi but finds herself in danger. Meanwhile, Gwon Sik finally returns.

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Gyeol reflects on his thirst for revenge, while Jeong Ran and Seung Wu learn the long-hidden truth.

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Gyeol apologizes to Eun Ae, while Seung Ri reveals her true feelings for Min Ho to Jeong Ran.

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Min Ho stands up to greedy Dae Chi, while Gyeol and Eun Ae renew their resolve to build the house.

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Kang Su's sudden arrival stirs the contest, while Dae Chi blames him as his condition worsens.

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Eun Ae and Gyeol resolve to build their house again, while Dae Chi grows anxious over the will.

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Dae Chi plots a way for Team One to win, and Gyeol shows his determination to build Our Happy Home.

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Dae Chi fiercely rejects Kang Su's will, while Gyeol and Eun Ae get ready to end the fight.

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Gyeol secures key evidence, while Seung Ri gets caught by Min Ho, who discovers her secret.

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Shocked by Seung Ri's deception, Min Ho's inner conflict deepens. Gyeol and Eun Ae move to execute their plan.

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Shocked by Kang Su's letter, Dae Chi reflects on his actions. Meanwhile, Seung Ri gives Min Ho some space.

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Gyeol chooses to live for himself, while Min Ho and Seung Ri struggle with their relationship.

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Min Ho asks Seung Ri for a divorce, while Gyeol faces a dilemma after a phone call from the US.

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Eun Ae struggles over Gyeol's offer from the US, while Seung Ri makes her final decision regarding Min Ho.

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