Erin Wyatt will do anything to advance her husband's law career, including sleeping with his firm's biggest client, ruthless billionaire Roger Caine. When the man's demands turn sadistic, however, Erin tries to pull the plug on their affair. The vengeful Caine vows to conquer her, using her own unsuspecting husband as his proxy. Ambitious young Kevin Wyatt has no idea that he is being manipulated by his new friend and mentor. With Caine's help he transforms the beautiful blonde into a willing sex slave. Erin relishes in her newfound subjugation to the man she loves, though she soon discovers she is equally powerless to resist the demands of the masterful Caine. Her world becomes a tightly wound spiral of pleasure and pain as both men vie for the right to wield the whip of desire, ultimately risking everything for possession of the one thing money cannot buy - the devoted heart of a woman who lived "obediently ever after."