London, Autumn 1916. When he slips out of a house in the early hours of
the morning, Simon Wilder is too preoccupied to realise that he is being
stalked. As he walks along the street, lights begin to dim as a warning
that there's another Zeppelin attack. Guns begin to pound away as
British aeroplanes attack the Zeppelin. Suddenly, it bursts into flame
and lights up the whole sky. The crowds cheer as the great fireball
drops slowly down and crashes in a field but the one person unable to
watch is Simon Wilder. While he is staring up at the sky, he is stabbed
to death and left in an alleyway. It will prove to be a very puzzling
case for Inspector Marmion and Sergeant Keedy...