In 1885 during the campaña del desierto a man deserts the war against the natives and runs to an isolated cabin in the Andes amidst a snowstorm In his struggle for survival he lays out traps in the hopes of catching some animal for food As days go by he finds traces of blood in the woods and begins hearing noises at night He will have to face the presence of a strange visitant who refuses to be seen while increasingly stalking him