A film about Simon is being made and the producer wants him to play himself.
A racketeer and his beautiful actress wife are among those concerned in a scheme to involve Simon in an ingenious blackmailing plot.
A consignment of industrial diamonds is hi-jacked after its arrival in England, and the Saint plunges into a case full of unexpected twists and turns.
The Saint is after the leader of the British Nazi Party, following the convenient death of a journalist who intended to publish highly classified information about its members.
A petty crook is murdered after telling Simon that he has been paid to steal documents for blackmail purposes by a villain known as the Scorpion.
