Tintin and the Golden Fleece pendulum, Calculus insists that the gold is still right above them. Cutting away at the paint on the ship's railings Tintin realizes that they are in fact the camouflaged gold. The chest contained the real railings, and was just a red herring. Haddock finally returns the gold to Tetaragua. The main square in the capital is renamed Paparanic Square, and Haddock receives Tetaragua's highest decoration, the Order of the Scarlet Cheetah. Back home at Marlinspike Hall, Haddock hires Clodion as his cook, and Calculus keeps Romulus as a pet and a test subject for his inventions of a flying birdcage.
Tintin and the Lake of Sharks risks of a diplomatic incident. Two days pass before Tintin finally returns to Calculus' house with the shark-like submarine which Calculus built during the search for "Red Rackham's Treasure". The plan is that Tintin will meet the crooks on the beach, and Haddock will follow him in the sub. At the meeting point, criminals pick Tintin up in a submarine, and they head underwater to the flooded city where their base is situated. The mastermind behind this operation is revealed to be none other than Tintin's nemesis Rastapopoulos, now calling himself "King Shark"/"Mr. Big". Rastapopoulos promises to set Niko and