Max Flynn is told to go undercover to spy on his fellow British agents, a task he does not want to do. Someone else does not want him doing it and are willing to kill him to make him stop.
A plot by terrorists to blow up the nuclear plants in Britain involves the disapperance of the head of that country's atomic energy program. Max Flynn must find him but he has to compete with something or someone called Operation Angel. And then there is the KGB.