Summer Cummings is dropped off on Bruce's doorstep awaiting the sting of his endless whip. But what he doesn't know, is that with each painful crack, a demon grows inside her-with a thirst for vengeance. Who's going to quench her voracious appetite? Lia Baron, the ambidextrous trainee and heir to Bruce's throne? Melanie Moore, the submissive slave and recipient of Lia's passion? Who gives Summer a painful reason to seek out her revenge?