A murder case involving a child victim occurs near the Han River. Jin-Soo, a detective whose life has been in shambles since his own daughter was kidnapped and killed, is assigned to this case. Obsessed with child-related cases since his own tragedy, Jin-Soo becomes deeply engrossed in the investigation. One day, Jin-Soo is approached by his high school classmate, a famous actress, who asks him to find her missing sister.... see more