Tommy outmaneuvers a U.S. attorney as he and Eileen keep up the appearance of a happy marriage; Michael tries to reestablish his memory and his territory.

As Tommy begins his reelection campaign, he turns to his sister, Mary-Kate, rather than Eileen for support; Colin Carr (Brian F. O'Byrne), Tommy and Michael's estranged Irish cousin whom Rose deeply distrusts, returns to Providence.

Colin helps Michael and Eileen cope with the unexpected death of a friend while Freddie tries to avoid a war with the Italians.

Rose sows unrest between her sons, which leads Michael to throw a wrench into Tommy's big real estate deal.

Tommy struggles to stay on track when he suddenly finds himself without his usual support network.

Michael maneuvers for power as he and Kath prepare for an addition to the family; Tommy tries to clean up a bad neighborhood.

The whole Caffee clan rises to Tommy's defense when his political enemies pull out the big guns to block his reelection; Nozzoli asks Michael to drive an out-of-town contractor to a job.

Tommy and Colin try to cope with Judd's decline; Declan tries to clear his conscience as Michael feeds Franklin information to keep Freddie in jail.

Rose walks out on her family Thanksgiving morning, leaving the younger generations to pull the holiday together on their own.

Freddie asks Nozzoli to kill Michael; Tommy makes a bid for the Speaker's chair; Eileen puts her foot down about Dana.