September, 1940. The sun is shining, and in the midst of the good weather Londoners could be mistaken for forgetting their country was at war - until the familiar wail of the air-raid sirens heralds an enemy attack. The Blitz has started, and normal life has abruptly ended - but crime has not. That night a man's body is discovered in an unmarked van in the back streets of West Ham. When Detective Inspector John Jago is called to the scene, he recognises the victim: local justice of the peace Charles Villiers. The death looks suspicious, but then a German bomb obliterates all evidence.

London, September 1666. The Great Fire rages through the city, consuming everything in its path. Even the impregnable cathedral of St. Paul's is engulfed in flames and reduced to ruins. Among the crowds watching its destruction is James Marwood, son of a disgraced printer and reluctant government informer. In the aftermath of the fire, a semi-mummified body is discovered in the ashes of St. Paul's, in a tomb that should have been empty. The man's body has been mutilated, and his thumbs have been tied behind his back.

Newly appointed as land agent to the youthful Lord Croft, Matthew Rowsley finds plenty to keep him busy as he attends to his lordship's neglected country estate. But he's distracted from his tasks by the disappearance of a young housemaid. Has Maggie really eloped with a young man, as her mother attests - or is the truth rather more sinister? What's been going on behind the scenes at the grand country estate and where has his lordship disappeared to?

August, 1940. On the streets of London, locals watch with growing concern as German fighter planes plague the city’s skyline. But inside the famous Ritz Hotel, the cream of society continues to enjoy all the glamour and comfort that money can buy during wartime - until an anonymous man is discovered with his throat slashed open. Detective Chief Inspector Coburg is called in to investigate, ably assisted by his trusty colleague, Sergeant Lampson. 

It’s a busy time of the year for Lord James Harrington and his wife, Beth - there’s the Michaelmas Fair in the village to enjoy. But matters take a sinister turn when the body of the founder of the Jolly Madrigals singing group is discovered after the Fair. James’ friend DCI George Lane is in charge of the investigation, but as further murders occur, he grows increasingly baffled. James and George are convinced that a single killer is responsible for these deaths.