In 1945, Hitler unleashes the Blood Death on Britian as his final act of vengeance. Hoke, an American pilot and one of a tiny minority with a blood group unaffected by the killer disease, has survived among the debris and the dead of London for three years. Now in '48, he is running for his life – hunted through the ruined city's ravaged streets by a desperate group of slow-dying Fascist Blackshirts. They're after his blood.