Tommy Caffee's brother returns from being on the lam; Tommy's wife, Eileen, deals with her demons via drugs and alcohol.
A shooting involves Declan; Tommy pays back a loan; Mary Rose gets caught; Eileen's drug use intensifies and she is arrested for erratic behavior.
Michael and Kath go on a road trip and he realizes that he still cares for her; Eileen tries to reform; Tommy tries for a promotion.