Giles Nunn and Carrie Selhurst are an upper crust couple who, partly for kicks and for the profits, commit highway robbery in lonely country lanes, along with the lower class boy Tommy Garret, whose dad is a friend of George Carter. Regan i…

When a gang hijack an armoured security truck, Regan, Carter and the Flying Squad set up an ambush to catch the crooks. But who's the informer ?

An informant of Regan’s tells him about a hijack involving a lorryload of cigarettes where he will be the look-out man. But can Regan trust his snout?

Regan loses his patience with a thug he is questioning about a wages snatch, and soon the press are sniffing round for a police brutality story.

A case of mistaken identity provides tragic circumstances when a hit goes wrong; Regan and Carter manage to break the hit-and-run ring, and then try to stop another accident.

Regan and Carter are confronted by a newsman with information on an unsolved robbery. And why are the pair being photographed ?

Chief Inspector Haskins is framed for corruption while Regan and Carter investigate a spate of break-ins. Is there a connection ?