A mysterious bisexual trainer introduces a submissive couple to pegging, a fetish they've long fantasized about. The trainer, equipped with a massive strap-on, commands the submissive man to assume a humiliating position. She teases him, running the silicone cock along his ass, before forcefully pushing it inside. The man's moans fill the room as he's dominated, his girlfriend watching in awe, eager to explore her bi-sexual desires next.