One of William's secret investments brings hope to the Walker family; a subversive business deal compromises Robert's health and the safety of his family; Rebecca and Justin think about a trial separation.
A divorced dad at Paige's school piques Sarah's interest; Justin finds the key to his learning challenges.
Sarah has a new romantic interest for the first time since her divorce; Scotty and Kevin await the results of their first try at surrogacy; Kitty and Robert reach another impasse over politics.
Robert and Nora work as guest chefs in Scotty's struggling restaurant to boost business; Kitty puts her idea to run for Robert's senate seat up for a family vote; Sarah gets frustrated with Roy.
The love of Sarah's life returns; Rebecca and Justin face the impending struggles of parenthood; Holly decides what to do with her shares of Ojai.
