Jack Regan, an unethical officer of the Flying Squad, uses unorthodox methods to pursue criminals with the help of his partner, George Carter.
Regan's lady-friends car is stolen.In it is photos and notes from Regans surveillance of gangster Frank Kemble.Soon the photos get into Kemble's hands
Crime boss Johnny Lyon and his two associates walk free from a murder trial.Regan is given a free hand to put them behind bars for good...and quickly.
Eddie Boys is a suspect in a factory robbery, but he has a seemingly cast iron alibi- he was with Regan.Regan takes matters into his own hands and sokn faces charges of harasement.
Detective Inspector Jack Regan sets out to stop a modern-day Bonnie and Clyde.
A security guard is murdered during a payroll snatch. The local police force under Chief Superintendent Canning have no luck in catching the robbers and Canning is reluctant to work with Regan when the Sweeney are called in, frequently clashing with him. When Regan apprehends all the gang without telling him, Canning is far from happy. Regan is accused of corruption nine years earlier and Canning, his contemporary, refuses to help him. Fortunately Carter finds someone who will, but the whole experience leaves Regan extremely bitter.
