They say the third time's the charm, and reformed party girl Kate (Malin Akerman) is hoping that's true when she becomes the third wife of a slightly older man, Pete (Bradley Whitford). They fell into each others' arms (literally) at a karaoke bar, and flash forward a year later, Kate finds herself with an instafamily complete with three stepchildren and two ex-wives. But Kate is determined to make this work and become a part of the family no matter what.