A can of crab meat turns out to be a small clue to a big mystery! Tintin meets Captain Haddock in his escape and his plan to track down the crooks takes him to an exotic desert city.
A series of mysterious clues put Tintin and Snowy on the trail of a dangerous gang of opium-smugglers. Tintin is kidnapped, but in a daring escape at sea he meets Captain Haddock, and together they track down the gang in a chase which takes them from the scorching Sahara Desert to the alleys of a Moroccan port.
