The film centers on Richard Fountain, an Oxford don who has fallen under the influence of a mysterious Greek girl and her suspicious associates. Fountain's friends visit Greece to get him back and notice that wherever he has been a number of murders have taken place. They find their friend under the spell of a beautiful vampire, whose blood-sucking methods include the use of Sadomasochism sex. Believing that they have killed her, the group return to Great Britain, unaware that their friend is now a vampire.