An orphaned girl is rescued from a satanic ritual and taken to Saint Catherine Institute for homeless youth. There she will learn new skills while facing demons that stalk her.
María and Manuel have a plan, or rather two: spend New Year's at the house of Manuel's sister and her partner, and take the opportunity to ask them for a very delicate favor.
Between the lugubrious landscape of the river and an old deteriorated house, a sleepless man reflects on the absence of his wife. An encounter with fishing partners reveals his disturbed nature, and a violent drive.
