Aidra Fox, the experienced domme, takes Kharlie, her naive step-sister, under her wing, transforming the innocent teen into her plaything. With Kharlie's wrists secured, Aidra introduces her to the pleasure of pain, using clamps and crops to bring her to the brink of ecstasy. Aidra's commanding voice and skillful touches have Kharlie begging for more, eager to please her mistress in any way she desires.