He is a true Indian at heart, but on the outside, little, chubby and pale Max could hardly be further removed from the appearance of a Native American. Nevertheless, the ten-year-old feels connected to the Native American character like no other and promptly seizes the unique opportunity to audition as Winnetou's son at the Karl May Festival - with the support of his buddy Morten, of all people, even though he has absolutely no interest in Indians. He knows what an opportunity this is for Max: At the performance, the boy could finally emulate his idols and show everyone what he's made of. Max needs this, because his life is not easy: his father Torsten is a great guy, but unfortunately also a daydreamer who has let things slide. That's why Max's mother Birte has separated from him. But Max is confident: as the chief of the family, he will manage to bring them back together...