April 1889 – six months since the last Jack the Ripper killing, East London is emerging into a fragile peace, hopeful that this killer's reign of terror might at last have run its course. Nowhere is this truer than in the corridors of H Division, the police precinct charged with keeping order in the chaos of Whitechapel. Its men hunted this maniac; and failed to find him.
Four years have passed. Time that has seen Reid, Drake and Jackson split and isolated from one another. But when the robbery of a goods train leads to a cataclysmic locomotive disaster, the men are reunited to seek its cause.
A routine murder inquiry reveals a secret underground cell. Reid is concerned as to the identity and whereabouts of a young girl kept there for many years. It's an investigation, which confronts him with both his greatest shame; and his greatest hope.
Chief Inspector Abberline asks Drake to take over the helm of H Division. The inexplicable death of a clairvoyant takes our team into a world of devious charlatans capitalizing on the grief of a sorrowful community.
As a lost girl wanders the dangerous streets of the East End alone, Detective Inspector Drake must try to find his old friend Edmund Reid and bring those responsible to justice.
A destructive gang of youths unleash hell upon the streets, but it's not until daylight breaks that the true horror of their brutal work is revealed. The trail leads the team into the heartland of one of the city's oldest trades – the London Breweries.
The corrupt streets of Whitechapel are witnessing a new breed of tourist; one from the higher realms of society wanting salacious entertainment. Yet Lady Montacute's curiosity means she now stands charged with the vicious stabbing of a local woman.
The murder of a chemist leads the team into the shadowy underworld of illegal abortionists and a backstreet racket. And when one of Long Susan's business ventures is on the cusp of ruin, she realizes she needs to regain control.
An American journalist is killed in Whitechapel and his exclusive story threatens seismic consequences for Whitechapel residents. As the team of H Division inch ever nearer to the truth about the train robbery, the revelations expose disturbing truths.