September, 1940. With London having endured the Blitz for nearly a month,<br/>people are calling for vengeance, but once again the night heralds more<br/>destruction. In Custom House, anxious residents dutifully head to the nearest<br/>public air-raid shelter as the warning siren wails.<br/>When dawn brings the all-clear, people disperse, but one man remains - he is<br/>dead, stabbed through the heart. Detective Inspector John Jago discovers that<br/>the victim was a pacifist. But why, then, was he carrying a loaded revolver in<br/>his pocket?<br/>