When three coeds discover that the campus Casanova is dating them all at once, they lock him up in an attic and take turns having sex with him... to drain the stud of his potency.

In the swinging sixties three girls discover they have the same boyfriend who has been playing around with them all while vowing fidelity to each. To teach him a lesson he won't forget, the trio contrive to lock him up and continually favour him with their attentions in turn.—Jeremy Perkins {J-26}