A new police inspector, Jean Darbley, arrives at Hartley police station and immediately has to deal with a man who takes his daughter from her home at gunpoint.

An elderly tea-lady is arrested, accused of stealing large sums of money from her employer.

A body is found in Hartley, and Insp Darbley helps a detective from the Metropolitan Police Flying Squad with the murder investigation.

PC Bentley tells Jean he thinks a woman is involved in a burglary at Major Adams's fall-out shelter. He is almost right.

Insp Darbley finds herself caught up in a dispute over an old steam engine.

Insp Darbley deals with nine-year-old tearaway Jonny Duffield.

Police make a bizarre discovery in the yard of Szabo's fish and chip shop.

Insp. Darbley tries to save a disturbed young mother and her baby.

Officers from the crime squad mount an undercover operation against a gang of international counterfeiters.

Insp Darbley goes to the rescue of an inexperienced young W.P.C.

Violence erupts in Hartley when an incomer tries to open a country club.

A widower and father of four who is fond of a drink or two comes between Insp Darbley and her husband.

Eleven-year-old Janice claims she has been told to steal washing from a launderette by a mystery man named Oscar.

Special Branch ask Insp Darbley to investigate a possible threat in advance of a planned royal visit.

Insp. Darbley takes a week's leave to carry out some home-decorating.