Bong-soo and So-young work together respectively as president and producer at the same film production company. Passionately in love when they got married, they are now facing a mid-life crisis. Bong-soo, who does everything halfheartedly, is already weary of So-young, a perfectionist who always carries out her plans without paying attention to his opinion. He begins having an affair with Hae-ree, an actor starring in the film he is producing. She wants Bong-soo to divorce his wife. In anguish, he decides to get rid of his wife. After making a series of absurd mistakes while trying to kill her himself, Bong-soo hires a hit-man.