As Catrina and the mysterious priest battle throughout the encampment, Catrina's assistant gives shelter to a couple of young kids. He tells them a story about an Indigenous brother and sister who love each other very much, until a bright but evil angel tempts the brother to turn against and kill his family for their pagan ways. But when she awakens in the underworld, his little sister convinces the God of Death to let her return to Earth to act as their emissary and to exact revenge for the loss of her family.