When a detective mysteriously uncovers the remains of an FBI agent who disappeared in the 1940s while investigating a similar murder case to one she is now on, Mulder and Scully believe that the original killer had passed his genetic trait of violence to his grandchild.
Elenco: Gillian Anderson , David Duchovny , Mitch Pileggi , William B. Davis , Annabeth Gish , Bruce Harwood , Cary Elwes , Dean Haglund , James Pickens Jr. , Nicholas Lea , Tom Braidwood , William B. Davis .