When Stephen Stanbrook consults therapist Gabrielle Salinger about his dominant personality, his girlfriend, Poppy, is intrigued. She traces his exploits as he seduces two submissives, known in the SM community as Knickers and Boots. Before long she's put through her paces by him, together with them, and all in uniform. Meanwhile, Gabrielle's old playmate, Jeff Bellbird, is stalking them in the hopes of something even more perverse.