Character Relationship Map: Happy End

Characters

• Seo Min-ki (played by Choi Min-sik) — protagonist

  A former banker turned househusband who manages domestic duties while his wife cheats. Deeply devoted to his infant daughter, he endures the affair until a breaking point. After a staged departure, he...

• Kim Il-beom (played by Ju Jin-mo) — supporting

  Bora's ex-lover and affair partner. He becomes increasingly possessive, crossing her boundaries by calling her home and visiting her apartment. His suspicious behavior and planted evidence lead the po...

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Seo Min-ki → Kim Il-beom (Conflict Rival) — The husband and the affair partner are placed in direct opposition by the marital betrayal.

  Kim Il-beom is the wife's former lover, while Seo Min-ki is her husband. Their opposing positions in the affair create a direct rivalry that culminate...

Story Analysis

A strained household descends from tolerated betrayal into murder, deception, and a convincing false accusation.

Plot Progression

1. A Marriage Under Strain — Seo Min-ki has lost his banking job and now manages the household while remaining devoted to the infant. He knows about the affair but attempts to preserve family life.
2. The Affair Pushes Inward — Kim Il-beom becomes more demanding and crosses the affair's boundaries. His phone call and appearance at the apartment increase the danger of exposure.
3. A Child in Danger — The infant is drugged and later found alone by Seo Min-ki. He takes the child to the hospital, while the household's fragile balance collapses.
4. The False Departure — Seo Min-ki apparently leaves by train with a female friend from the building. The departure conceals his return to the apartment.
5. Murder and Misjudgment — Seo Min-ki kills his wife and plants evidence against Kim Il-beom. A neighbor finds the body, and the police appear convinced by the frame.