Matt Gun, a timid male sub, finds himself at the mercy of Lilly Davies, a young, dominant beauty. In her cozy UK flat, Lilly humiliates him, calling him a loser as she forces him to lick her big, natural tits and clean her shoes. She teases his throbbing cock mercilessly, denying him release time and again. Lilly's CBT training includes anal fingering and pegging, pushing Matt's boundaries. Despite his pleas, she keeps him on the edge, denying him the orgasm he desperately craves, making him her total slut.