An inmate tells his story through interviews revealing a tormented past of religion, depression, abuse and murder. Filmed over the course of a year, Piety is a bleak and violent story about a fractured man and the twisted visions that torment him.
Emerging from a coma after a water ski accident in which his girlfriend Délie was killed, Stan van der Decken is informed that he is the heir of the mysterious Professor Starkov. He then embarks on a trip to the village of Las Estrellas.