Two travelers stop over in a small village named Santana. Unbeknownst to them, Santana is a village where, once a year, Satan comes to Earth to claim souls, and they just happened to enter the village on that day.
After a rich man discovers a grave of a little girl, some unknown force drives him to discover the circumstances of her death. He hires a private eye to do so, and discovers more than he ever imagined.