Claudia (Emma Vilarasau) and Marc (Brendan Price) are horrified and heartbroken when their young daughter's body is found mutilated. Several years later, Claudia gets a call from a young woman who could be her child. Claudia then launches an investigation involving a detective, Massera (Karra Elejalde), and a reporter, Quiroga (Tristán Ulloa). Their target -- a satanic cult, which may be holding and torturing the girl, and whose members could subject all involved in the case to dire fates.