A stern dominatrix, renowned for her cruel yet elegant femdom, secures a new slave in a custom-made chastity cage. She parades him around, humiliating him in public, his trapped cock throbbing against the unforgiving device. His training begins, with rigorous exercises designed to test his resolve and obedience. The slave's futile struggles against the chastity belt only serve to amuse his mistress, who delights in his desperate attempts to free himself.