A woman who has been institutionalized for 60 years for the "crime" of not conforming to the 1920s image of what a proper young woman should be (in other words, she did what she wanted and didn't care what anyone else thought about it) is finally released to the custody of her family, consisting of her grand-nephew and his family. At first she keeps a self-imposed distance from the relatives, but she soon finds herself coming around to her nephew's wife, a free spirit who is under the thumb of her cold and controlling husband
A village cricket match on the lawn of a great country house - a traditional setting for the perfect English murder. A natural case for the Yard's best technicolor detective, except for the victim-the 20th-century lord of the manor, Sheik Ali Ben Hassim.
When two mysterious deaths mar an otherwise pleasant weekend in the English countryside, unflappable flapper Lady Eileen Brent teams up with the dashing Jimmy Thesinger to solve the dastardly deeds. Their sleuthing leads them into a world of espionage and international intrigue as they discover a secret society known as "The Seven Dials" and the attempted theft of top-secret government documents.