Christopher deve morire!

Zagor and Chico come across a child: he says his name is Christopher and seems to have lost his memory. Apparently, the boy was abandoned in the forest by his parents and then kidnapped by a tribe of Indians, who also had a reputation for being peaceful. Once the little boy has been freed, a whole series of disturbing events lead to continuous attacks by unsuspecting people, from whom one would never have expected a threat. What is Christopher's secret? What does his mysterious past hide?