Nora and Holly make a shocking discovery about Nora's past; Justin becomes jealous; Saul tries to forgive Jonathan.
As Sarah and Luc's wedding draws near, the Walkers learn the true meaning of family.
Tommy's new girlfriend's interest in Walker history bothers the family.
Nora's date night scandalizes the couples in the Walker family; Kitty's relationship with Seth is the subject of Internet gossip.
Nora and Saul find out their mother has died.
