Winter approaches, and there's much to do if Pina's family want to be prepared: hunting, fishing, gathering, and more. Now, Pina must travel up the mountain to collect obsidian for knapping--the same mountain where his two older brothers disappeared. As he leaves, Pina reassures his parents that he will not succumb to the same fate as his brothers. He will return. But when he reaches the mountaintop, he is confronted by a terrifying eagle god named...