In the house, Mary reminisces to herself about murdering a United States Embassy employee she seduced the night before and drinking his blood.

While Ben goes to buy fish Mary drugs a middle-aged fisherman with coffee before stabbing him and drinking his blood.

When he attacks her, she jumps from the car and flees into the woods, but is ultimately stabbed to death by the man, who reveals himself to be Mary's father.

Mary, about to slash Ben's throat, stops when she hears the wreckage and witnesses her father feeding on Cosgrove.

He explains to Mary that his hunger has driven him mad, removes his mask to show half his face has rotted away, and informs her this is her fate being a vampire and the only cure is death.

Later at the police station Pons accepts Mary's account of the masked killer, her father, being responsible for Ben's death.

In April 1974 it was reported that John Carradine had signed on to appear in the film with Cristina Ferrare and David Young in what was described as "a mystery set in Hollywood circa 1948.