Desperate to save her sister's life, Sidonie Forsythe has agreed to submit herself to a terrible fate. Beyond the foreboding walls of Castle Craven, a notorious, hideously scarred scoundrel will take her virtue over the course of seven sinful nights. Yet instead of a monster, she encounters a man like no other. And during this week, she comes to care for Jonas Merrick in ways that defy all logic, even as a dark secret she carries threatens them both.