State Rep. Tommy Caffee gets blackmailed by a local Irish mob boss when his long lost brother Michael Caffee returns to Providence after seven years away.
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.
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.