Nieve negra (2017) online

Accused of killing his brother during adolescence, Salvador lives isolated in the middle of Patagonia. After several decades without seeing, his brother Marcos and his sister-in-law Laura, come to convince him to sell the lands that they share by inheritance. The crossing, in the middle of a lonely and inaccessible place, revives the duel where the roles of victim and murderer are transformed over and over again