Brady lives in poverty with his father Wayne and his younger sister Lilly, who has autism. The people here, including Brady and his family, are Lakota Sioux of the Pine Ridge Reservation. Once a rising star in the rodeo circuit, Brady suffered brain damage from an accident at a bronc riding competition, hindering motor functions in his right hand and leaving him prone to seizures. Doctors have told him he can no longer ride, or else his seizures will get worse.