"The debut of the popular sleuth"
During a visit to childhood friend Edith, retired housewife Hetty Wainthropp discovers that Edith's husband, Frank, has a son by a previous marriage. Hetty decides to turn amateur detective to trace him. When this gives her a taste for detection, Hetty decides to set up a private detective agency.
Hetty Wainthrop

Robert Wainthrop

Frank Cross

Edith Cross

Bernard Shawcrose

Geoffrey Shawcross

Chalky White

Phillida Meadowhite

Mrs. Lilium
Photographer

Jan

Madge
Beryl Lilium
Hairdresser
Betting Shop Manager
Betting Shop Assistant
P.C. Alice
Myra
Sheila
TV Interviewer

Postman
Neighbour
P.C.

P.C.
Young Edith
Young Hetty
Young Frank
Edith's Mother
Man In Betting Shop