Seong-mi, a psychiatrist who counsels troubled couples on a TV program, offers others solutions to save their marriages while her own relationship quietly falls apart. Meanwhile, tensions between Jeong-han and Dong-ik reach a boiling point, and Jeong-han shocks the family with an unexpected announcement.

Seong-mi is devastated when her husband, Jeong-han, suddenly blurts out in front of the family that they are getting a divorce. Ju-ah and Hyun-bin keep crossing paths in unexpected ways, while Hyun-bin's return to Korea quietly stirs old tensions between Dong-ik and Se-ri.

Ju-ah runs into Hyun-bin again and realizes he is the new executive director. Jeong-han decides to run for president of the Merchants' Association to protect the market, but his wife Seong-mi fiercely objects, determined to protect her own career. Meanwhile, Se-ri stacks the deck to secure her husband Dong-ik's election.

With Jeong-han at a disadvantage in the election race because of the false rumor about her having an affair, Seong-mi announces her full support to help him win fairly. Meanwhile, Dong-ik scrambles to cover for Se-ri, and Hyun-bin uncovers who was behind the home shopping incident.

Ju-ah and Hyun-bin recognize each other, but the memories that surface only leave them more conflicted. As the Merchants' Association presidential election draws near, tensions rise and the campaign turns fierce. The two families clash head-on, each determined to claim victory. With rallies growing more heated, the long-awaited election finally

Dae-han is lost and devastated after Hui-gyeong leaves and desperately tries to track her down. At the workshop, Ju-ah and Hyun-bin cannot stop bickering but grow closer in the process. Meanwhile, Dong-ik has no choice but to swallow his pride to secure the vice president position in the Merchants' Association.

Seon-hae urges Dae-han to get a divorce, while tensions mount between Jeong-han and Dong-ik over the Merchants' Association. Hoping to help her husband gain the upper hand, Se-ri searches for evidence that could turn things in his favor. Meanwhile at the workshop, Ju-ah and Hyun-bin come face to face with memories of their first love.

Seong-mi, a psychiatrist who counsels troubled couples on a TV program, offers others solutions to save their marriages while her own relationship quietly falls apart. Meanwhile, tensions between Jeong-han and Dong-ik reach a boiling point, and Jeong-han shocks the family with an unexpected announcement.

Reeling from Yong-gil's betrayal, Dong-suk swallows her anger and makes a hard choice to protect her family. Se-ri moves to rebuild Dong-ik's public image and urges him to soften his edges and appear more likeable. Meanwhile, Seong-mi walks a tightrope between the two families, increasingly anxious that the secret about the affairs will not stay hidden forever.

Hui-gyeong's affair with Yong-gil is exposed, igniting a bitter clash between the two families as years of pent-up resentment finally erupt. Old wounds resurface, pushing Seon-hae and Seon-chul to confront and put an end to the families' long-standing entanglement. Meanwhile, Ju-ah and Hyun-bin are left conflicted as they come face to face with their feelings for each other.

Hyun-bin abruptly begins distancing himself from Ju-ah, leaving her confused and hurt by his sudden coldness. As she tries to make sense of his change in attitude, Ju-ah finds herself struggling with a swirl of conflicting emotions she can't easily untangle. Meanwhile, when Jeong-han asks Seong-mi if their family can really afford to move, she reassures him and asks him to simply trust her, only to realize that reality isn't as easy as she expected.

Ju-ah and Hyun-bin experience a conflict during a meeting, prompting Ju-ah to decide to go on a blind date. Meanwhile, Dong-ik secretly devises a plan to stop Jeong-han's family from moving out, driven by his desire to appear on television. Meanwhile, Dong-suk goes to check out a store property but ends up in an unfortunate situation.

After a night of heavy drinking, Dae-han and Dong-suk end up spending the night together and are left to deal with the complicated aftermath. Elsewhere, Jun-hyeok and Hye-su play matchmaker, rooting for Ju-ah and Hyun-bin. Meanwhile, Jeong-han turns down the TV show offer, but Dong-ik secretly pulls strings behind the scenes to change his mind. When Se-ri discovers what Dong-ik has been doing behind her back, she feels deeply betrayed.

Amid growing confusion, Dae-han and Dong-suk are forced to confront their true feelings for each other. Dong-ik and his family are left reeling when Se-ri suddenly walks out after discovering he had kept his plan hidden from her. Meanwhile, Ju-ah and Hyun-bin begin secretly dating and hatch a plan to help their parents reconcile.

Ju-ah tries to keep her coworkers from finding out that Seong0mi is her mother, while Hyun-bin works to win points with Seong-mi. Dong-ik apologises to Jeong-han and tries to patch things up with him, but it doesn't go as well as he expected. Meanwhile, Dae-han and Dong-suk have no choice but to confront their mixed feelings as they go through the process of preparing their divorce papers.

The parents butt heads again at the golf event, and Jeong-han's errant swing sends his ball flying, accidentally hurting Se-ri. Meanwhile, Dae-han and Dong-suk spend the day together in unexpected harmony, marking their divorces with a strangely celebratory outing as a new kind of companionship begins to quietly take shape.

Dong-ik and Se-ri plan to use the video of Se-ri's fall to blackmail Jeong Han into appearing on the show, but things take an unexpected turn, leading Hyun-bin to step in and settle matters to help Ju-ah. Meanwhile, Dae-han finds himself at odds with Dong-suk while helping her check out store spaces, and the two end up getting into an argument.

Se-ri appears as a witness at Ju-ah's disciplinary hearing, while Jeong-han finally agrees to appear on Human Theater with Dong-ik. As Jeong-han and Dong-ik reconcile and grow closer, Dae-han can't help but feel left out. Meanwhile, Dong-suk tries to keep her distance, only to be caught off guard when Dae-han unexpectedly invites her to a teahouse.

Seon-hae suggests a blind date to Dae-han, hoping it will help him meet someone new and move on. Seon-chul runs into Min-seo at the restaurant Dong-suk is considering taking over. Meanwhile, Ju-ah heads to Hyun-bin's place to cook him an Argentinian meal, while Se-ri also makes her way there to drop off food for him.

Jeong-han's family is deeply grateful to Dong-ik after the altercation with the robber. Ju-ah wrestles with whether to reveal what Se-ri did, knowing it could shatter the fragile peace between the two families. Meanwhile, Dae-han finally gathers the courage to tell Dong-suk how he truly feels.

Dae-han officially asks Dong-suk out and tells his mother he is seeing someone with a child. Hyun Bin and Ju Ah grow closer, but tension rises when Jeong-han discovers Ju-ah tried to hide that Se-ri and Dong-ik deceived him and his family. As everything begins to unravel, Se-ri tries to cover it up instead of taking responsibility.

After Jeong-han declares his friendship with Dong-ik is over, the two are left to navigate awkward interactions as they must work together on the show. Dae-han tries to repair their relationship, knowing that Dong-suk is hesitant to commit because of the tension between their families. Meanwhile, Seong-mi invites Jun-hyeok over for a meal, stirring jealousy in Hyun-bin.

As suspicions grow among Ju-ah's coworkers that she and Jun-hyeok may be seeing each other, Ju-ah admits she is in a relationship. Jeong-han tells Dae-han to stop playing spy between him and Dong-ik, while Seon-chul and Seon-hae head to Seongdam together in search of Gi-cheol, Seon-hae's husband.

Seong-mi is enraged upon discovering that Se-ri orchestrated the entire stunt and insists she will never reconcile with the Yang family again. As tensions between the two families escalate, Dae-han attempts to reconcile Jeong-han and Dong-ik for the sake of his relationship with Dong-suk, only to end up hurt in the process.

Jeong-han and Dong-ik appear to have made up on the surface, praising each other during the filming of "Human Theater," but a tense undercurrent still lingers between them. Ju-ah and Hyun-bin quietly grow their relationship, with Seon-hae and Seon-chul acting as their allies. Meanwhile, Dae-han and Dong-suk begin dating in secret, cautiously stepping into a fragile yet determined promise for their future.

Seon-hae is shocked to discover Ju-ah's relationship and confronts Hyun-bin, pressuring him to end it before their families find out. Eun-bin feels betrayed, believing Min-seo intentionally approached both her and her family with an agenda. Meanwhile, Jeong-han and Dong-ik travel to Seongdam together in search of their father and mother, where they unexpectedly come face to face with Mi-hyang.

Se-ri chooses her current life and family, leaving Min-seo devastated to learn that her birth mother does not wish to meet her. As Eun-bin grapples with the truth about Se-ri and Min-seo while trying to hide it from her family, Jeong-han and Dae-han encounter a witness in their search for their father.

Dong-ik suggests Se-ri officially adopt Hyun-bin and Eun-bin to strengthen their family bond. The idea makes Se-ri happy but also anxious, as she fears the past she has hidden from the family may come to light. Meanwhile, Dong-suk struggles in her relationship with Dae-han over their differing views on having children.

Min-seo learns that Se-ri is her birth mother and is left shaken. Hyun-bin tries to mend the rift between Se-ri and Seong-mi, but his efforts fall short. Meanwhile, Dae-han suggests a trip to Dong-suk, and Jeong-han is contacted by someone totally unexpected.