When one of Regan's snouts complains that his girlfriend's recent suicide was murder, the flying squad detective feels compelled to investigate. He uncovers a conspiracy that reaches the heart of the government, and finds himself fitted up, suspended and under the scrutiny of Special Branch.
An American jazz pianist, blinded in a London bank robbery ten years before, makes his first return appearance in England at an engangement party where he believes he hears the voice of the gunman who cost him his sight.
Jack Regan, an unethical officer of the Flying Squad, uses unorthodox methods to pursue criminals with the help of his partner, George Carter.
