Strangers

- Season 4

(1981)

Bulman, now promoted to Detective Chief Inspector, isn't too happy with his new job. He feels he's becoming office-bound - but he's soon caught up in a string of murders which present him with some intriguing facts.

A convict makes a daring prison break but leaves a trail to ensure his recapture is handled by the inter-city squad. He has an old score to settle with Lambie,the squad's supervisor.

A routine assignment - escorting a prisoner from Glasgow to London - turns into something altogether different when the woman escapes and her escorts on a merry cross country chase.

The squad investigates a series of armed robberies committed by a gang of modern day highwaymen.

Bulman and Willis arrest a man carrying an incriminating roll of film. This triggers off an enquiry which takes them to Edinburgh and an gang specialising in political blackmail.

Bulman's squad investigates a murder and a series of knee-cappings committed by rival groups of mercenaries.