Sub Tommy, eager to please Mistress M, accepts a chastity challenge. He's locked in a steel cage, his cock and balls aching for release. Mistress M toys with him, denying him orgasm despite his desperate pleas. She fucks him hard with strap-ons, edges him repeatedly, and forces him to worship her feet, all while he's denied any sexual gratification. The tension builds as Tommy's endurance is tested, pushing him to his limits.