William and Nora have raised five unique children, all battling complex problems. This seems to come to a head when William suddenly dies. Kitty is an outspoken political commentator who begins a relationship with charismatic Senator Robert McCallister. Sarah balances motherhood with managing the struggling family business. Tommy is the loyal son who manages the Walker family business with Sarah. Kevin is a gay lawyer coming to terms with his sexuality, while Justin, a veteran of the war in Afghanistan, battles drug addiction.