This story reveals the life of a Native American boy named Wassaja, who was kidnapped from his tribe and sold as a slave. Adopted and renamed Carlos Montezuma, the young boy traveled throughout the Old West, bearing witness to the poor treatment of Native Americans. Carlos eventually became a doctor and leader for his people.

Cody is worried when his family on a New Mexico Navajo reservation runs out of water, but Darlene Arviso, called "The Water Lady," is on the way with her tanker truck. Includes glossary of Navajo terms and notes about Arviso and life on a reservation.