A White World Made Red (S04E03)

One month has passed since Inspector Reid returned to H Division. Drake and Reid are once more in harmony, but it's now Jackson's turn to feel the pressure as a murder has links to a man who aided Long Susan's escape from Newgate. Can Jackson help Reid and Drake solve the case without the truth about Susan emerging? The fate of a young woman depends on it. Meanwhile, Susan works to carve a place for herself at the docks. She begins to reveal more of her dark past to her villainous guardian, Abel Croker. (BBC America)