A divorced dad at Paige's school piques Sarah's interest, while Justin uncovers the key to his learning challenges. Meanwhile, Nora reunites with her eyes wide open.

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 get to 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 Walker family vote, and Sarah reaches a point of frustration with Roy but is quickly rewarded for speaking up.

The Walker family shares love and loss on Valentine's Day as Sarah rediscovers the love of her life, Kitty makes a grand but heartfelt entree in to politics with her family and new campaign manager by her side, Justin and Rebecca face the struggles of impending parenthood and Holly makes a tough decision about what to do with her shares of Ojai.