The story alternates from the perspectives of Todd and Jodi, a couple that has been together for 20 years. They have a common-law marriage and lead an affluent life in a waterfront condo in Chicago. Todd is a hedonistic cad who thinks cheating on a partner is perfectly fine. You can't help but hate the guy. Jodi lives in a fairytale world, choosing to deny what is going on right under her nose. She takes good care of Todd, even though he hardly deserves it. To make matters more intriguing, the reader knows early on that one of the main characters is planning to kill the other one.