Lucho y Dani, a couple in crisis, decide to spend the weekend at a cabin. They take some mushrooms and what was supposed to be a night of fun and sex turns into a nightmare. The ghost of a grandfather´s dead lover seeks revenge.

The gaucho Martín Fierro is forcibly taken to the frontier and compelled to fight in the war. After deserting, he returns home to find his wife and children gone. He kills a man and, now a deserter and murderer, flees into the desert, where he encounters Sergeant Cruz, who will accompany him on his journey.