The life of politician Tommy Caffee (Jason Clarke) gets complicated when his gangster brother (Jason Isaacs) returns home to Providence, Rhode Island.
Michael helps out Declan's partner as Tommy sees a way to fix his zoning problems by helping a local minister. Meanwhile, Eileen has a run in with the police.
Michael and Kath go on a road trip and he realises that he still cares for her. Eileen tries to reform and Tommy tries for a promotion.