A professor of astronomy helping on a missile development program. An old friend of his is a Russian chess champion. The Russian is working with shady businessman Marek and they…

Called in to investigate the murder of a model, Chief Inspector Birkett and Sergeant Saunders soon discover that the victim had been leading somewhat of an immoral life.

A wily old codger matches wits with the King of the Leprechauns and helps play matchmaker for his daughter and the strapping lad who has replaced him as caretaker.