As the clouds of the coming storm gather, Tommy Shelby faces the consequences of his experiences and his actions.

Tommy sets off to North America, where the end of Prohibition brings new opportunities. But he faces new danger from an old adversary who is finally making his move.

Tommy gets involved in a power game with fascists, freedom fighters and Boston gangsters. As the players plan to double cross him, Tommy visits an old ally in Camden.

Faced with devastating news, Tommy goes on a quest to discover who it was that placed a curse on his family. In Birmingham, Ada takes charge, and Arthur takes on…