In 1998, 4 innocent people lost their lives when arsenic was mixed into curry served at a summer festival, in what is known as the Wakayama Curry Poisoning Incident. Masumi Hayashi, a housewife, was arrested and sentenced to death for the crime, but she still claims her innocence. Her son, who's now 30, was bullied and taunted after his mother's arrest. He has remained in contact with her during her detention, but he feels torn. Should he cut ties with his mother and start a new life? Or should he continue to shoulder the burdens of the past? We follow his struggle to decide.