Spring is a long time coming on the Great Prairie. The Sioux tribe awaits the return of the buffalo. The tribe is hungry. Yakari, who lives his dreams, goes with Little Thunder to look for the herd led by White Buffalo. The two friends cross a scorching desert before finding themselves faced with a wall of rocks. Yakari scales the wall and discovers green pastures where the much-awaited herd is lingering. The bison take refuge there when they lack food during the migrations. Yakari is the first human to walk these fertile lands that are hidden in the desert. Knowing that the Red Men need them, the buffalo obey their destiny. Yakari will keep his discovery a secret.