In the dungeon, a strict mistress begins her slave's chastity training. She guides his hand to stroke her body, then cruelly forces him to pleasure her while he's denied his own climax. She teaches him the art of orgasm denial, pushing him to the brink and pulling back, over and over. The slave's body aches with need, but the mistress' dominance is absolute. Finally, she allows him a brief, intense release, only to lock him away again, his training far from over.