For 20 years, wealthy socialite Eva Dennehy has borne the guilt of murdering her first husband Charlie, who was planning to leave her for his mistress. When Eva is offered the opportunity to travel back in time, and undo her crime as penance, she accepts – what does she have to lose? Back in her old life with Charlie, her passion for him surpassed only by her torment at his infidelity, she is more determined than ever to prevent him from leaving her. But her plan plunges her into a world of crime and depravity, and she soon discovers she has even more to lose this time around.