Two sworn brothers live on either side of the Mayul river and make an appointment to go hunting on Chupa Mountain. One of the friends dies before the appointed time. On the day of the agreement, the other friend goes to the mountain as agreed, where he meets a black bear. The friend is very frightened, however, the black bear says that he should not be afraid. The black bear takes the man and they kill together a snow leopard and a deer. When the friend returns home, he tells a lama about what happened and the lama tells him that was the reincarnation of his sworn brother.