Youngmin is a professor of literature and the father of two children. He is in love with a journalist who is an admirer of his poetry. They first meet when Youngmin invites her to a dinner thanking her for an article that she has written about him. Since them, they meet secretly in motels and restaurants. One day, Youngmin lies to his wife, saying that he will stay at a temple in the mountains for two months to write poetry...

Two housewives, wounded by their husbands' betrayals, meet by chance. They decide to carry out "exchange murders" and work towards the perfect alibis. Under what they know to be perfect plans, they kill each other's husbands. Although the police are able to prove that they're guilty, these two women are found innocent by the court of law.