Simon goes fishing with a glamorous girl - and catches a much bigger net of fish than he expects.
Few people are able to resist the attraction of money for nothing but when it is wrapped up in the guise of hidden treasure which is providing a profitable racket for confidence trikster Kolben, the Saint steps in to see fair play.
Persuaded to follow a defecting civil servant who has been tricked into smuggling secret papers into East Germany, Simon finds himself playing the part of a British agent to save the man's life.
Evil animal lovers devise a purr-fect plan to take over the world.
