The world’s most famous travelling reporter is faced with an ancient Inca curse, which is causing its victims to fall into a life-threatening coma. The tomb of Rascar Capac has been unearthed!

But one by one, the finders fall into a terrifying coma. Can this be the curse of the Inca gods? Tintin must somehow fathom out the meaning behind his only clue: the shattered crystal ball lying beside each of the victims ?