A fateful accident intertwines six lives in a thrilling tale of karma and crime, where each must face their own dark truths and connections.

Bok-ja is granted a special vacation after her death, which allows her to go see her daughter, Jin-joo, a university professor living abroad. Unlike her expectation, Bok-ja finds Jin-joo living in her old house running a local diner and becomes frustrated with questions that she is unable to ask. After spending time alongside Jin-joo, Bok-ja realizes that her daughter is struggling with the unresolved feelings about her, and tries to find a way to show her sincere feelings that she had never shared before.