Kevin, Nora and Kitty go to pick up Justin who has just returned home from the war. McCallister finds that he’s getting closer to Walkers. Meanwhile, the truth is revealed between Sarah and Rebecca and Tommy is not able to get the hang of being a father.

Rebecca worries about Justin, Tommy's marriage hits a road block as Julia starts coming out of her depression. Kevin meets an old flame and Kitty prevents a scandal.

Sarah becomes embroiled in a difficult battle with Joe for custody of their children. Kitty's Halloween announcement has consequences for the entire Walker family.

Kitty gets a visit from an old friend to do some damage control regarding her pregnancy. But it doesn't go as planned. Sarah is struggling with Paige, while Justin is down.

The Walkers unite as Justin's addiction hits an all-time low. Kitty and Robert build new plans for their future.

Kitty and Robert takes dance lessons. Tommy gets a surprise visit and Kevin makes a drastic decision.

Robert and Kitty get married, but not before a political scandal and a severe case of cold feet threatens the wedding. Meanwhile Isaac distracts Nora from her romance with Stan. Holly gets a surprise visit from an old friend and some secrets are revealed.

Secrets are the order of the day when the Walkers gather for a family dinner because Nora is too shy to ask Isaac out on her own. Meanwhile, Becca is trying to play matchmaker for her mother.

Nora and Isaac get closer to each other. Jason makes Kevin to do some soul searching and think about his future.

Rebecca gets a new hobby, while Sarah has to make an important decision.

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 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.