It's 1952, and Tommy and Tuppence Beresford, an ordinary married couple,are thrust into a web of international espionage after a chanceencounter on a return train from Paris.
Tommy and Tuppence's search for the missing Jane Finn, Brown's identityand the recording gets more dangerous as they struggle to maintain theircover.
Tommy's cover is blown, and the violent criminal gang give him a job todo. Tuppence comes to his aid as they try to prevent an assassination.
The British Secret Service enlists Tommy and Tuppence's help again to find a Soviet agent and a kidnapped scientist.
Tommy and Tuppence turn their attention to their fellow occupants of Sans Souci to find N, the probable nuclear bomb thief.
Still none the wiser as to the identity of Soviet agent 'N', Tommy andTuppence must come up with their most ambitious and risky plan yet inorder to protect the lives of British citizens.以上信息参考
