Curt Nimuendajú is a German ethnologist who lived in Brazil from 1903 until his death. In addition to having studied and defended the rights of about 50 indigenous peoples, he lived as one of them in each tribe. Nimuendajú died in 1945, in the Amazon, under unknown circumstances.

Sol is a girl with many dreams and projects and, with the help of her family, she will achieve a great deed that will change the lives of many.