Award-winning Spanish horror film based on the novel by Ramsey Campbell. When Claudia (Emma Vilarasau) and Marc (Brendan Price)'s beloved six-year-old daughter Angela goes missing, it isn't long before a mutilated body found in a water hole is identified as hers. Five years later, Marc has left and Claudia, addicted to tranquilisers, whiles away her lonely hours watching family videos of better times - until she receives a phone call from someone claiming to be her daughter, asking for her mother to come and find her before 'they' kill her. Other mysterious clues start to show up, further indicating that Claudia's daughter is indeed still alive, and very much in danger. Helped by an ex-policeman and a reporter who is an expert in the supernatural, Claudia's search for the terrifying truth begins.