COUNTERSPY Fastidious auditor Frank Manning encounters rum goings on when he is approached by a woman who claims she is being blackmailed. THE MAN WHO WOULDN'T TALK Dr Frank Smith and Eve arrive from America, apparently on honeymoon but actually on an undercover assignment from Washington. RING OF SPIES A bookseller and his wife; a disgruntled naval clerk; an undercover Soviet agent with a false identity... all members of a secret spy cell working from a bungalow in suburban Ruislip, hidden for years from unsuspecting neighbours and British spycatchers!