Debra Winger and Tracy Letts play a long-married, dispassionate couple who are both in the midst of serious affairs. But on the brink of calling it quits, a spark between them suddenly reignites, leading them into an impulsive romance.

Mary (Debra Winger) and Michael (Tracy Letts) are a married couple. They live together, but are estranged from one another. They are both having long-standing extramarital affairs-she with Robert (Aidan Gillen) and he with Lucy (Melora Walters). Their lovers have both emphatically demanded they break up the marriage and Mary and Michael have vowed that they will do so after a visit from their son, Joel (Tyler Ross), and his new girlfriend, Erin (Jessica Sula)..

Debra Winger and Tracy Letts star as a long-married and completely dispassionate husband and wife. Both are in the midst of serious affairs and are increasingly committed to their new partners. But on the brink of officially calling it quits, a spark between them suddenly and unexpectedly reignites, leading them into an impulsive romance that forces them to navigate the hilarious complications of 'cheating' on their respective lovers.