伦敦间谍战

费农（罗伯特·弗莱明 Robert Flemyng 饰）是英国外交部的高官，某日，他的上司收到了匿名举报信，检举揭发费农是间谍。上头派出了调查员查尔斯（詹姆斯·梅森 James Mason 饰）调查事件的真相，哪知道在这个节骨眼上，费农竟然自杀了。 　　虽然事件的主人公死了，但是调查还是要继续下去，很快，查尔斯就发现，费农或许并不是畏罪自裁，其背后的黑手也许就是他的枕边人艾尔莎（西蒙·西涅莱 Simone Signoret 饰）。在一位老警探的帮助下，查尔斯决定继续深挖，然而，在他离真相越来越近的同时，危险也在步步紧逼。After Charles Dobbs, a security officer, has a friendly chat with Samuel Fennan from the Foreign Office, the man commits suicide. An anonymous typed letter had been received accusing Fennan of being a Communist during his days at Oxford and their chat while walking in the park was quite amiable. Senior officials want the whole thing swept under the rug and are pleased to leave it as a suicide. Dobbs isn't at all sure as there are a number of anomalies that simply can't be explained away. Dobbs is also having trouble at home with his errant wife, whom he very much loves, having frequent affairs. He's also pleased to see an old friend, Dieter Frey, who he recruited after the war. With the assistance of a colleague and a retired policeman, Dobbs tries to piece together just who is the spy and who in fact assassinated Fennan.