A reclusive billionaire invites six seemingly random strangers to his island estate in the south of England. Aspiring detective Miranda Green finds the mysterious invitation too alluring to pass up. When another guest turns up dead, Miranda must get to the bottom of the malicious plot behind the gathering.

1934. Private detective Miranda Green investigates a murder perpetrated in the British Embassy in Cairo, where a top secret document was stolen, risking to jeopardize both Buckingham Palace and the peace of the world. All those present in this closed place are suspected: the American photographer, the English student, the American actress, the Egyptian security guard, the ambassador interpreter, the Egyptian gardener and - why not? — the Ambassador himself. But who would have expected that a small group of Nazis would be behind a plot, risking to jeopardize both Buckingham Palace and the peace of the world?