Paul Temple, the creation of Francis Durbridge, was one of radio's most popular sleuths. He and his glamorous wife Steve inhabit a sophisticated world where they sip well-chilled cocktails, where Sir Graham Forbes of Scotland Yard always sends for Paul when the going gets tricky and where Paul's incisive mind picks up every one of the carefully strewn clues.

The Conrad Case takes Paul and Steve to Bavaria to help find Betty Conrad. But their only clue is an unusual cocktail stick found in her finishing school bedroom...