Eugenie (1970)

Eugenie, an innocent young woman, is taken to an island paradise where she is initiated into a world of pleasure and pain controlled by the sinister Dolmance. But when she surrenders to her own forbidden fantasies, Eugenie becomes trapped in a frenzy of drugs, sadomasochism and murder. Can a frightened girl in the grip of carnal perversion find sanctuary in the orgies of the depraved?

Unfortunately the movie Eugenie is not yet available on HBO Max.