Bonnie and Goliath fight. Tragedy comes to Birmingham; what will Tommy do to save the family?
Luca comes for another Shelby. Tommy must navigate more difficult personal situations, on top of the Italians trying to kill him and his family.
Tommy makes new plans for the Changretta vendetta. He also discovers Ms. Eden knows all about him and his past.
A year after the rest of the Shelbys are freed from prison, Tommy receives a note with a Black Hand from the Sicilian mafia.
At Derby Day, Tommy sets his plans in motion, though not without casualties. Polly winds up confronting Major Campbell with brutal results.
Arthur gets a bad surprise when he visits Alfie Solomons. And when Michael lands in jail, something worse happens to his mother.
Tommy gets to know May Carleton a bit better. Meanwhile, things with Campbell and the IRA get very complicated and dangerous for Mr. Shelby.
Polly's long lost son Michael becomes a part of the family. Maybe a bit too much for her liking.
Tommy manages to keep himself alive. He gets back to London to speak with Alfie Solomons, and later writes a letter to Winston Churchill himself.
Tommy stirs up trouble in London and may just pay with his life for it.
Grace and Tommy get closer than they should, as Inspector Campbell gets jealous. Meanwhile, Arthur Sr turns up again causing a bigger rift between the brothers.
When Freddie won't leave town, Tommy's got to figure out a way to settle things down. For himself, for Ada, and for the sake of their business.