Isabella Rae Thomas

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 Walker's learn the true meaning of family.

After confronting Brody, Sarah decides she doesn't want him to be a part of her life; Olivia struggles with a new addition to the family.

Justin keeps a secret; Scotty makes a discovery that changes the Walker family.