When a mysterious corpse is found in a river, a distressed police officer delves into a string of grisly murders as danger quickly approaches.

When her mother gets sick, 13-year-old Fen moves back to Taiwan, where she struggles to fit in amid the 2003 SARS epidemic.

Fei works illegally to support family, but they reject his lifestyle. Through Long, Fei finds hope, until encountering Xiaolai, his past love, who makes him confront his guilt.