One dawn, a fiery comet appears over the city. The Great Emperor Montezuma commands Chantico's uncle, the soothsayer, Ahcambal, to explain the meaning of it.

When Ahcambal cannot come up with an answer, he is thrown into prison to be executed.

What can Chantico do to save his uncle? Luckily, Chantico is not an ordinary boy - he has the gift of second sight.

He uses his own skills to come up with a cunning plan to save his Uncle.

But can he do it in time?