Nora and Holly make a shocking discovery about Nora's past; Justin becomes jealous; Saul tries to forgive Jonathan.
Nora's date night scandalizes the couples in the Walker family; Kitty's relationship with Seth is the subject of Internet gossip.
Tommy's new girlfriend's interest in Walker history bothers the family.
As Sarah and Luc's wedding draws near, the Walkers learn the true meaning of family.
Nora and Sarah use Evan's birthday as an excuse to fly out East and find out what is going on with Kitty; Olivia seems nervous about her new life with Kevin and Scotty.
