Three defiant girls, led by a stern Mistress, taunt and humiliate their unfortunate plaything. His small penis shrinks in embarrassment as they laugh and jeer, running their hands over his body, emphasizing his inadequacy. The Mistress, a dominant beauty, takes charge, training him to serve her every whim, from kneeling at her feet to worshipping her boots. She teases him with glimpses of her lingerie-clad body, promising pleasure only if he proves his worth.