Barcelona, ​​Spain, 1921. A tough cop from Madrid arrives in the city to locate, under the suspicious scrutiny of corrupt local police officers, a significant amount of military weaponry stolen from a train, allegedly by revolutionary anarchists.

In the harsh post-war years' Catalan countryside, Andreu, a child that belongs to the losing side, finds the corpses of a man and his son in the forest. The authorities want his father to be made responsible of the deaths, but Andreu tries to help his father by finding out who truly killed them. In this search, Andreu develops a moral consciousness against a world of adults fed by lies. In order to survive, he betrays his own roots and ends up finding out the monster that lives within him.

The mutilated body of a six year old girl is found in a water hole. The girl is identified as the missing daughter of Claudia. However, only two pieces of evidence could be used to identify her; a bracelet with her name on it near the crime scene, and the fact that her right leg was three centimeters longer than her left. All other methods of identification were removed from her body. Five years later Claudia, now addicted to tranquilizers, receives a phone call from someone claiming to be her daughter, asking for her mother to come find her before 'they' kill her. Other mysterious clues show up, further indicating that Claudia's daughter is indeed still alive, and very much in danger. Claudia, a run-down ex-cop, and a parapsychology reporter put together the clues to discover Angela's whereabouts. Written by Kerryn Wedgwood

Apartment concierge Cesar (Luis Tosar) is a miserable person who believes he was born without the ability to be happy. As a result, he decides his mission is to make life hell for everyone around him. A majority of the tenants are easy to agitate, but Clara (Marta Etura) proves to be harder than the most. So Cesar goes to creepy extremes to make this young woman mentally break down. Things get even more complicated in this twisted relationship when her boyfriend, Marcos (Alberto San Juan), shows up.