While thousands of Britons fight in the trenches, a severely depleted police force remains behind to keep the Home Front safe. Detective Inspector Harvey Marmion and Sergeant Joe Keedy are on hand to delve into the complex and sinister cases that arise.A Bespoke Murder: May 1915. In London the sinking of the Lusitania sparks an unprecedented wave of anti-German riots. Among the victims is the tailor Jacob Stein, found dead in his burnt-out shop. But is the murder really the result of wartime hysteria, or perhaps a more premeditated crime?An Instrument of Slaughter: Britain is on the brink of enforcing conscription. A conscientious objector is savagely killed after making a rousing speech at a meeting of the No-Conscription Fellowship, and some people even claim that a conchie deserves to die if he won't fight for King and Country. Marmion and Keedy will have to work fast to find the killer before more deaths occur...Five Dead Canaries: As the fighting on the Front Line continues, a new breed of women emerges to hold the Home Front together. The fiery-spirited munitionettes, or 'canaries', are easily recognisable with their chemically-stained yellow faces. One such raucous group gathers to celebrate a birthday, but the festivities are cut short when all but one are killed in a brutal explosion. The dark days of the war have left everyone on edge, suspicion is rife and there are no shortage of apparent motives for murder...