Inhibitions (1976)

After years of sexual humiliation at the hands of her sadistic husband and his friends, Anna, a wealthy heiress struggles to regain her sense of identity. To that end, not only does she become ruthless in business, but also delights in sexually dominating her young secretary, Carol . When she attempts to exert her sexual power over a blythe traveler, Peter, he turns the tables on her, and she finds herself at the mercy of an unfamiliar emotion: Love.