Lord Weston’s mistresses keep disappearing. Unable to resolve the mystery, he needs to find someone to pose as his mistress so he can infiltrate a criminal conspiracy that traffics women into slavery. Unaware of his secret mission, Lavinia has been seeking revenge on Lord Weston for jilting her sister by persuading his mistresses to seek new professions through a halfway house. As she starts to attract his attention though, Lavinia starts to wonder if the story her sister told her is true.