Dark Shadows: 614

"The great estate at Collinwood has seen many secrets. Secrets which have led to horror, to violence, even to death. And at the Old House on the grounds, another secret is working its spell; for two men, they're the mark of the vampire. And one, insane with jealousy and suspicion, is taking his revenge."

Episode 614 is the untitled 614th episode of the daytime Gothic soap opera series Dark Shadows. The episode was directed by Sean Dhu Sullivan with a script written by Sam Hall. It first aired on ABC on Thursday, October 31st, 1968.