Brett and Michelle are struggling to rekindle the spark in their relationship, which has puttered out from the stresses of marriage and children. When Brett's friend Alex and Michelle's sister, Tina, move in with them, the foursome engage in a tragically comedic struggle to follow their personal dreams, while still remaining good friends, siblings and spouses to each other.

On March 25, 2016, it was announced that Togetherness would not be renewed for a third season.