A serial killer is back in Pittsburgh to torment the former homicide detective who was on his trail years before. Tom Hardy, who has been relegated to water-way duty, along with new partner Jo Christman, navigate the three rivers looking for clues and discovering bodies. This time the victims are women Tom knows, he must find the killer to prove his innocence. A serial killer is back in Pittsburgh to torment the former homicide detective who was on his trail years before. Tom Hardy, who has been relegated to water-way duty, along with new partner Jo Christman, navigate the three rivers looking for clues and discovering bodies. This time the victims are women Tom knows, he must find the killer to prove his innocence. Parental Guide