Professional astrologer and lothario David Galaxy (Alan Lake, aka Mr Diana Dors), finds himself entangled with the Law and must be able to provide an alibi to clear himself from an incident that involved robbery and murder five years previously.
Renowned criminologist and occult investigator William Sebastian (Culp) recruits his old friend Dr. Hamilton (Young) to aid him in his current case. Anitra Cyon (Bell), the sister of prominent British businessman Geoffrey Cyon (Villiers), believes her brother is dabbling in the black arts. In turn, Geoffrey claims that she is mentally unfit. Sebastian and Hamilton travel to the Cyon estate to investigate the matter. Complicating the issue is Sebastian's debilitating heart condition that was induced by his own experimentations with the black arts.
A university professor opens a sexual Pandora's box when he hands his class an assignment to explore their deepest carnal fantasies and desires. As the students begin to plumb their secret passions, they find themselves propelled into an erotic world where theory soon yields to practice.
