Detective Inspector Jack Regan endangers an operation, and loses his girlfriend's car.

Regan and his team are suspected of pocketing £35,000.

Regan's determination to catch a crook leads to conflict with senior officers.

Three crooks walk out of court as free men. Regan is determined to get a conviction, and plans to make one of them turn Queen's evidence.

Regan tries to nail a criminal for robbery, and meets opposition from an MP.

Regan gets suspicious about an invitation to spend a night out with an old friend.