Vampire Barnabas Collins returns to Collinwood after being released from his chained coffin. A seance is held at Collinwood to reach the mysterious ghost of Sarah Collins. The beautiful but jealous witch puts a spell on Barnabas. Barnabas and Dr. Julia Hoffman uncover the secret of the werewolf. Quentin Collins rises as a zombie. Reverend Trask attempts an exorcism. A costume party is held at Collinwood with dramatic results. Barnabas and Julia discover that two members of the Collins family have gone insane. Maggie Evans becomes the victim of a vampire. Quentin asks governess Daphne Harridge to save the children who are possessed. Barnabas attacks Roxanne Drew and places her under his power.