DI Reid suspects that the same person is behind a spate of arson targeted at both synagogues and churches. Meanwhile, Sergeant Drake's married bliss is interrupted when an old friend of his wife, Gabriel Cain, appears.moreless
A vice ring at the offices of the GPO are uncovered during the investigation into the murder of a telegraph boy. Meanwhile, Captain Jackson attempts to find a way for him and Susan to clear themselves of the debt they owe Silas Duggan.moreless
Drake is re-united with Rose when a prominent council member is abducted from the the music hall where she now works.
The team are led into the world of circus freak shows following the murder of a woman with a tail-like protrusion at the base of her spine. With the assistance of Joseph Merrick, better known as the Elephant Man, Reid realises that his Limehouse colleague, Jedediah Shine, also has some involvement in the case. Meanwhile, DC Albert Flight arrives to replace Albert Hobbs.moreless
When one of the sergeants from K Division is assaulted DI Reid's investigation leads him and his team to Chinatown and a new and destructive opiate.
It is 793 AD and Viking warrior Ragnar Lothbrok wants to go to the West in search of riches, rather than following the old tradition of raiding the East. However, getting the permission of Head Man, Earl Haraldson, is not going to be easy.moreless
A kidnapping gives Reid the opportunity to recover recent events and re-build his team, when tackling a white slave gang. However, a secret from his past comes back to haunt him.
The murder of a brilliant engineer is discovered, just as a shipping magnate arrives in London to acquire a failing English company.
When a Jewish anarchist is killed during a strike at the docks, Reid's team are called in to investigate.
While Drake's one-time colonel returns to London in order to redress the unfair treatment soldiers have received, Reid and his team investigate a series of robberies.
An outbreak of cholera results in H Division teaming up with the City of London force in order try to identify what is causing the disease to spread so rapidly.
When a 14-year-old is accused of killing a toy maker, Inspector Reid must delve into the violent world of child gangs.
Chief Inspector Frederick Abberline is worried that 'Jack' has started a fresh killing spree when a young woman is found in the same state as the previous victims.