A locomotive disaster right on Reid's doorstep bring unexpected consequences for Whitechapel. A daring robbery is attempted and succeeds but not without causing a serious accident. As Police get closer and closer to the perpetrators, they are faced with an agonising decision. While Reid fights to restore peace to Whitechapel's blood stained streets, his former team is regrouping. Elsewhere Susan has created a business out of her brothel and this inevitably brings her towards the inspector's attention.