Based on the comic book Prisoners of the Sun, where Tintin and Haddock head to South America to find a cure for their friend professor Calculus.

Based on the comic book Prisoners of the Sun, where Tintin and Haddock head to South America to find a cure for seven cursed scientists including their good friend Professor Calculus, who found the mummified remains of Rascar Capac and brought them back to Europe.—Pierre Couture