Justin's resolve to stay clean is shaken by a disturbing letter from the US military requesting that he go back and join them.Kevin swallows his fears and tries his hardest to win back Scotty but it blows up in his face, Nora prepares for a date, and Sarah uncovers some shocking information.

The family throws a party for Nora's sixtieth birthday. Surprises- but not the good kind- abound when half the family gets the flu, Nora's mother shows up, and the video tribute doesn't come out quite right.

Sarah and Joe go into therapy following the tensions of their marriage. An office poll unsettles Kitty about her relationship with Senator McCallister.Tommy bumps into a concealed member of the Walker family while Tommy and Julia learn about a surprise addition to the family.