As derby day arrives, Tommy is faced with impossible decisions as he plans to strike back at his enemies and take the family business to another level. Meanwhile, Major Campbell has one final card to play - one that he is certain will bring about Tommy's demise.

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.

As derby day arrives, Tommy is faced with impossible decisions as he plans to strike back at his enemies and take the family business to another level. Meanwhile, Major Campbell has one final card to play - one that he is certain will bring about Tommy's demise.

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