In the dimly lit dungeon, a stern mistress welcomes her latest submissive, eager to begin his training. She parades him around, making him admire her curves and the cruel implements at her disposal. She selects a heavy chastity cage, holding it up for him to see the cold, unyielding steel. "This," she says, "is where your pathetic cock will reside until I say otherwise." She makes him strip, inspecting his body with disdain before forcing him onto his knees. She expertly fits the cage, locking it with a resounding click, then hands him a set of keys attached to a leash. "You'll wear these at all times," she commands, "a constant reminder of who's in charge."