The son of a notorious serial killer becomes an acclaimed criminal psychologist who uses his unique insight into how killers think to help the NYPD.

The gripping story of Eileen Franklin who, while playing with her young daughter, suddenly had a memory of witnessing the rape and murder of her childhood best friend, 8-year-old Susan Nason, which led to a re-opening of a case that had gone unsolved for nearly 20 years.