A violent and alcoholic gold prospector lives with his wife near the border. She is convinced that a demon is stalking them, and he thinks his wife is cheating on him. Blinded by jealousy, he decides to seek both his wife’s lover and the demon to strike them down.
Sebastián, a shy young man, buys a bus ticket without knowing that once he is on board, he'll enter a different reality from everything he knows.
