Several notorious criminals have vanished into thin air. A whisper has been received that the escape chain starts in London, but, when agent Paxton follows it, he winds up dead in the Thames with a 300-year-old bullet in him.
Quest roles:
Peter Bowles(Thyssen), Judy Parfitt(Vesta), Imogen Hassall(Anjali), Nicholas Smith(Parker), Geoffrey Bayldon(Clapham), Ricardo Montez(Josino), Clifford Earl(Paxton), Edward Caddick(Sweeney), Roger Booth(Tubby Vincent), Rocky Taylor(Mitchell)