A delightful and exciting story of Tamar, whose mother was an Indian princess and her father a Virgina gentleman. When Governor Spotswood organized an expedition to go beyond the mountains into unknown territory Roger, Tamar's half brother, went along. Tamar, because she was a girl, was not allowed to go. However, Tamar, disguised as an Indian boy, did take part in the difficult journey and proved her worth, and won esteem for her Indian people.