A middle-aged couple try to figure out if their marriage is worth saving after a shocking event at a friend's birthday party makes them take a hard look at their own lives.

Frances rushes to intercept Robert before he tells the kids that she's divorcing him. Everyone gathers at the hospital to support Diane as she waits for news on Nick's condition; and Frances considers finally signing a lease to open her long-planned art gallery.

Robert and Frances attend couples therapy in an effort to see if their marriage is salvageable. Frances gets advice from Dallas, while Robert vents at work. At home, tensions mount as Frances and Robert try to maintain a facade of normalcy for the children.

In hopes of keeping their split amicable, Frances and Robert meet with a mediator. Frances confides in a co-worker, and Robert gets surprising financial news.

Frances discovers that Robert has hired a lawyer, and responds in kind. Frances looks to connect with an influential artist. Robert pitches Nick a can't-miss investment opportunity.

Frances and Robert try to set aside their differences and make their annual Christmas trip with the kids to her parents' house.