Gordon Lonsdale arrived in London in 1955. A successful Canadian businessman and lover of the high life, he charmed everyone he met in his adopted country. But Gordon Lonsdale was an elaborate lie. In reality he was Konon Molody, a celebrated Russian spy working for the KGB.Lonsdale was an illegal, an elite brand of undercover agent whose identity was carefully designed to help him avoid detection. Moving with ease through the British establishment, he ran a network of agents, some providing sensitive military secrets. Lonsdale was running a slick operation, but living a double life would exact a considerable toll…When a source tipped off the CIA, Lonsdale’s activities came under the close scrutiny of MI5—and for Charles Elwell, the hunt for the illegal became a personal mission. But how would he go about tracking down a man whose whole life was built on evading capture?