He broke his vows. He broke her heart. Now she is going to break him.

Alison is happily married to Graham, or at least she is until she discovers that he has been cheating on her. Her husband has broken the vows that he made on their wedding day. How could he do it? It takes Alison a while to figure it out, but at least she has time on her side. Only that is where she is wrong.

A devastating diagnosis means the clock is ticking faster now, and the betrayed wife must act fast if she wants revenge on her cheating partner. Alison does just that, implementing a dangerous and deadly plan, and it's one that will have far-reaching consequences for several people, including her clueless husband.

Hell hath no fury like a woman scorned.