Special Branch Detective Constable John Gallagher is seconded to a British Home Office Statistical Unit for what he considers a minor violation of trust. He's not well pleased; he knows nothing of statistics and had been hoping for a much less boring end to his year. To this very day, the summer of 1966 is revered by all of England as the year the Jules Rimet World Cup trophy came back to the home of football but behind all the excitement of the time, another, deadlier game was being played, one with much more serious consequences.