Tintin, Snowy and Captain Haddock fly to Syldavia to see Professor Calculus who is staying in a villa on the shores of a mysterious lake. the professor has been secretly working on a strange machine which produces 3 D illusions, but then Tintin unmasks a spy in the villa.
Who is interested in the professor's invention? Tintin is hot on the trail when he is captured and taken to the mastermind of the lake of sharks - none other than his old enemy, Rastapopoulos. And this time 'King Shark' has plans to get rid of Tintin for good...
Comic-book style.
