1929 – While his family deals with the repercussions of the Wall Street Crash, Tommy Shelby MP faces new dangers from unexpected quarters.

The Peaky Blinders come under fire when Tommy finds danger on his doorstep and a friend is brutally attacked. Could there be a traitor in the Shelby family’s midst?

As the charismatic Mosley shows his hand, Tommy prepares to make a treacherous new alliance.

Tommy agrees to dangerous new partnerships when a golden opportunity presents itself, and a Shelby party promises fireworks.

As Tommy reveals his intentions for Mosley, someone close to the Shelbys is targeted.

News of Tommy's activities have reached Winston Churchill. At a family meeting, Tommy lays out his plans for Mosley, which will take place at a rally Sir Oswald is leading. Tommy is surprised by another strategy, coming from an unexpected corner. Meanwhile, Tommy has his own secrets to reveal.

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 some new recruits.

Tommy establishes a connection between crime and political power that could alter the course of history. He also receives life-changing news from an unexpected source.

In the light of extraordinary personal revelations, Tommy takes a course of action that will change everything. Meanwhile, his enemies’ plans start to fall into place.

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