In a dimly lit dungeon, InstitutionX's submissive is bound and gagged, his chastity cage a constant reminder of his femdom's power. A Sybian intense vibrator buzzes against his prostate, as he's edged relentlessly, his cock straining against its cage. His mistress teases him with anal play, ass-play, and prostate massage, bringing him to the brink before denying him release. The scene culminates in a humiliating prostate milking, with the sub's cumshot captured on camera.