Deze serie duikt in het hart van Londen tijdens het turbulente jaar 1915, terwijl de Grote Oorlog zijn schaduw over Europa werpt. Volg inspecteur Harvey Marmion en sergeant Joe Keedy terwijl ze zich een weg banen door de smerige straten van de stad en complexe zaken ontrafelen. Elke aflevering biedt boeiende onderzoeken tegen de achtergrond van oorlogsangst en sociale onrust. Het is een meeslepende mix van historische setting en aangrijpende politieverhalen.
In June 1916, a young woman named Charlotte Reid is found murdered in a cinema. Harvery Marmion and Joe Keedy are assigned the task of finding the killer who so elusively fled in the dark. Before long, two more victims, of striking similarity but differing backgrounds, are found dead around the city. Meanwhile, miles from home, Marmion's son Paul prepares for life on the front line as he marches towards the Battle of the Somme.
Pentonville Prison. Wally Hubbard is serving a long sentence for arson. But after befriending and tricking one of the officers, Hubbard makes an audacious escape. Inspector Marmion, the detective who arrested Hubbard, is warned to watch his back, but it seems that Hubbard has another target in his murderous sights.
June, 1917. While another daylight air raid batters London, the body of respected businessman Gilbert Donohoe is fished from the Thames. Inspector Marmion struggles with the murder case alongside his anxieties for his now- missing son, Paul, but the pressure increases when the Metropolitan Police are the target of a series of vicious press attacks.
1917. When a dead body is found in the exclusive Lotus Hotel, Inspector Marmion and Sergeant Keedy must dig into the past to solve the crime.