Isabelle is a young student at Oxford, well versed in the giving of flagellation and in the Sapphic pleasures the city affords. When her ageing scout, Stan Tierney, lets slip that he knows about a long-established society of lesbian dominas, Isabelle is drawn in. As Isabelle investigates, together with her girlfriends Jasmine and Caroline, it becomes clear that she will have to endure a comprehensive round of sexual humiliations if she is to get close to the mysterious society.