Mijung and Hoseok have an unhappy married life. One day Mijung comes home to find it trashed. The police inform her that Hoseok is dead, and in his funeral appears Hyoyeon, a young and attractive woman. In an affair with Hoseok, she frames Mijung as the culprit. Investigating to claim her innocence, Mijung finds that Hyoyeon planned the murder to escape from Hoseok, and offers her a risky deal.
