Tuola, the child of nomad adopted an unattended colt. The colt grew up under the care of Tuola. Two years later, the colt became a tall black horse and became the winner of the race meeting. The black horse became a close friend to Tuola. An accident happened, Tuola lost the black horse. He and his peers searched the whole valley during the holidays. Disasters pile up on one another, Tuola and his peers got lost in the grassland. Their family eventually found their kids through the untold hardship. When Tuola felt upset about his loss, the black horse came back with tired body.