Kitty guards a devastating secret that could change the Walker family forever. Meanwhile, Nora and Holly work together to thrown an engagement party for Justin and Rebecca; Tommy remains in Mexico; and Sarah heads to France.

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, Robert and Nora are struggling over Kitty’s cancer and which possible treatment to seek. But as they prepare to bring the news to the family, a surprise visitor from afar helps ease their burden.

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.

The Walker family, with the exception of Nora, are surprised by the charms and tango lessongs of Luc Laurent, Sarah’s new lover. However, Nora quickly uncovers that her French houseguest is a very good comfort during a very difficult time. Meanwhile, Robert needs to distract Kitty from the cancer, and he uses his most romantic efforts into the situation.

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...

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

The reception of Ojai’s latest vintage at a local wine festival could make or break the company; Nora is smitten with a younger man (Jon Tenney); Sarah and Luc’s fairy-tale romance experiences real-life problems; Justin and Rebecca keep important information about their future from each other

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

The on-again, off-again, Walker style wedding plans of Justin and Rebecca take an unexpected turn, while Tommy takes a dangerous risk in order to assure that his daughter is by his side.

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

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 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. '

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. '

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.

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.

Kitty's newfound fame creates havoc for Luc and Sarah, as Luc faces possible deportation. Meanwhile, Nora swallows her pride and reaches out to Tommy to help her save the company from the Walkers' longtime nemesis, Dennis York

In an effort to get to the root of the secret that William's nemesis, Dennis York, holds over their heads, the Walkers recall their memories, both good and horrifying, of their family's days at Ojai Foods in 1986. Then, as they continue to flashback to their younger days, they finally recall the shocking secret and the shameful cover-up that led to York's power play, and are forced to deal with the remorse of a tragic event. Meanwhile, Nora and Holly take an uncharacteristic trip, a la "Thelma & Louise," to search for answers about Ojai's hidden worth, and Justin and Rebecca finally get their happily ever after.

Kevin's birthday arrives, and Nora's attempts to summon the family to come fail. Robert is offered to take a job in D.C., but he can't share what exactly he is doing with Kitty. Scotty tries to get Kevin to forget about his past indiscretions. Ojai faces extreme financial problems, and Rebecca generously donates $2 million to solve it. Meanwhile, the Walker men confront Dennis York, and Kevin uncovers how his father truly felt about him.

More than one member of the Walker family thinks she may be pregnant; Saul and Nora face some tough decisions regarding their aging mother.

Cooper acts out; Luc joins the family; Kevin tries to adjust to being unemployed.

New opportunities and secret alliances develop as the Walkers prepare to close Ojai Foods for good.

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.