It is March 1943 and the War hangs in the balance . . . At Bletchley Park Tom Jericho, a brilliant young codebreaker, is facing a double nightmare. The Germans have unaccountably changed their U-boat Enigma code, threatening a massive Allied defeat. As suspicion grows that there may be a spy inside Bletchley, and Jericho is suspected, his girlfriend, the beautiful and mysterious Claire Romilly, suddenly disappears.
Tense and suspense-filled thriller from the author of The Straw Men and The Lonely Dead. Ward Hopkins' past come backs to haunt him with a vengeance when an ex-CIA colleague tracks him down, desperate for help in solving a bizarre series of events.