After Regan’s car is stolen with invaluable surveillance photos from a stakeout, the thief gives a heads-up to Sweeney’s target.

Regan adopts a new identity as an ex-con and goes undercover as a truck driver to expose a hijacking ring.

After Regan gets a tip about an upcoming robbery from a trusted informant, the gang kidnaps his daughter to blackmail him into inaction.

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 is on to them and Carrie gets arrested, but her unwillingness to cooperate leads to the death of the next victim.

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.

Violent criminal Vic Labbett returns to England to recover the proceeds of an earlier robbery, and Regan and Carter must stop him before he can get his hands on the loot.

Regan and Carter are on the case when a pair of robbers are themselves robbed at gunpoint.

Regan tries to help out the son of a friend when the lad is implicated in an assault.

Regan and Carter have a suspect in mind for the theft of a consignment of mercury, but he has an alibi.

Regan and Carter try to catch a man trying to blackmail a pools winner about the part he played in a robbery.

Regan is determined to nail a modern-day Bonnie and Clyde.