Julius Berge has an advertising firm in Stockholm together with his wife Sonja. The man with the ideas is their colleague Kurt Dal, who used to be engaged to Sonja.
A man murdered at the Saint's doorstep manages to utter a few words to Simon Templar before he dies, sending him off to the quaint resort village of Baycombe where he confronts crime mastermind 'The Tiger' and his gang as they plan to smuggle gold bullion out of the country.
When his car breaks down out in the country, Sniffles the mouse takes shelter in an old mill, where he meets up with "Batty," a non-stop-talking little bat who later save Sniffles from a hungry cat.