Luc's visa issues cause monumental problems for Sarah, who not only struggles with her feelings for him, but worries that she might lose him again - this time to another woman. Meanwhile, Rebecca wrestles with Justin and with herself to move on after a huge loss, Kevin discovers breaking up with Robert is hard to do, and Holly thinks she has found the hidden value of Ojai Foods.

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.

Robert and Nora lend a hand as guest chefs at Scott's restaurant in order to boost business. Meanwhile, Kitty decides to have the family vote on whether or not to run for Robert's senate seat, and Sarah becomes frustrated with Roy.

Sarah is excited to have a new romantic interest, while Kevin and Scotty wait on news about their first try at surrogacy. Meanwhile, Kitty and Robert square off over politics when Kitty's friend gets involved in areas in which she does not belong.

Sarah takes a shine to a divorced dad at Paige's school. Justin finds a way to overcome his learning difficulties.

Kitty's lymphoma reaches a critical stage, while the Walkers' frantic search for a donor leads to an unlikely source.

Justin and Rebecca's beachside wedding has the Walker family stunned. Tommy risks everything to have his daughter beside him.

Justin has difficulty staying sober. Holly's financial situation continues to spiral out of control. Sarah is envious of Nora's budding romance.

Ojai's newest wine is submitted at a local festival; Justin and Rebecca keep life-changing secrets from themselves; Nora has a crush on a younger man; Sarah and Luc may not be as compatible as they thought they were.

Kitty is distraught with the side effects of her cancer treatment. Scotty's father finally reveals the truth about his marriage.

Kitty is excited to see a visitor. Sarah decides to tell the children about Luc. Holly recieves some help from Rebecca and Ryan with her finances.

Sarah's new lover charms the entire family except Nora; during a difficult time, Nora finds that her new French houseguest is a great comfort; Robert tries to distract Kitty from cancer; Kevin and Scotty stumble onto an unexpected surrogacy candidate.

Sarah's new lover charms the entire family except Nora; during a difficult time, Nora finds that her new French houseguest is a great comfort; Robert tries to distract Kitty from cancer; Kevin and Scotty stumble onto an unexpected surrogacy candidate.

After returning from France, Sarah manages to distract Kitty through her chemo treatments by using tales of her romance with a French artist. Meanwhile, Justin has problems with his anatomy class and seeks his professor for help with surviving the semester with his teenage genius lab partner.

Kitty, Robert and Nora struggle to accept Kitty's cancer and to come to an agreement on the best possible treatment, but as they prepare to share the news with the entire family, a surprise visitor from afar makes the burden a bit easier to bear.

As Robert worries about news of his recent heart attack leaking to the press, Kitty struggles with an untold secret that will deeply affect their marriage and bring the Walker family together like never before. Meanwhile, Kevin and Scotty discuss the real possibility and challenge of surrogacy.

Kitty has a secret that could ruin her family. Nora and Holly plan an engagement party for Justin and and Rebecca. While Sarah searches for a new business venture in France.