The Leech Woman

On a trip to Africa with her scientist husband (Phillip Terry), June (Colleen Gray) learns he plans to use her as a guinea pig in his anti-aging experiment. But June turns the tables by killing him instead and using his pineal gland in a tribal ritual that keeps her youthful. Now, she must keep finding fresh male victims in order continue performing the ancient ceremony to maintain her newfound youth in this classic horror flick.