Insp. Longton enquires after John Morton, a dangerous young man who has returned to Hartley.

Insp Longton tries to protect some children from a deadly habit.

Insp. Longton agrees to a meeting about a forthcoming speaking engagement, but finds herself in a perilous situation.

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.

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

Insp Longton is struck by the resemblance between a missing husband and an artist's impression of a wanted man.

D.S. Bernie Duckworth faces a family tragedy when his daughter is knocked down by a lorry.

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

Insp. Kate Longton leads an urgent search to save a life after receiving an anonymouse telephone call.

Insp. Longton clashes with D.C.I. Mark Perrin over an armed robbery.

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

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

Sgt Parrish demands to know why Insp Longton has taken Sgt Beck's name off the duty sheets.

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

The team at Hartley police station await the arrival of the new inspector. Having lost Insp. Darbley, it will be good to have a man back in charge of the place.

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

P.C. Danny Sparks thinks about quitting the force, but Insp. Longton has decided to buy a house locally.

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

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

An elderly man reports hearing a threatening voice calling from outside his isolated house - in German.

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

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

Insp. Longton tries to unravel the secret behind the strange behaviour of seventeen-year-old Simon Bailey.

Mick Grainger is apprehensive about leaving prison after six years and returning to his wife Judy.

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