Tommy finds himself engaged in bloody battle with Luca Changretta and his gang. Lizzie has even greater news to break. Meanwhile, an army colonel has questions for Ada about her past as a communist, and Jessie Eden confirms just how far she is prepared to go in pursuit of her cause.

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.