Jeong Won receives a call from the police, that the offender from ten years ago has been caught. However, she cannot confide the secret to her husband, Sang Woo. Eventually, Jeong Won's secret is revealed, and the peaceful marriage of the couple shatters into pieces.
Soyoung, a woman in 20s struggling between making a living and getting a real job, begins tutoring a high school senior Minjeong. One day, Minjeong asks Soyoung if they could reschedule a session.