在敌友难辨的时代，信任成了最稀缺的资源。为所欲为叶桑完本

　　The real story behind the ITVX drama series A Spy Among Friends. This documentary on Kim Philby and his fellow traitors in the Cambridge spy ring reveals the worst spy ring in British history. 　　From Cold War Washington to contemporary Moscow, Beirut backstreets to the salons of Buckingham Palace, this story is as gripping as any thriller. The treachery of the privileged Philby, ... (展开全部)