Professor Jorge Ollot and Dr. Iris de Miguel have gathered a group of people, carefully chosen, with whom they will be isolated for a week in a secluded house. Their intention? To demonstrate that the paranormal exists, but that it is our own mind that provokes it.

Sonia wanders around the gloomy mansion where she lives, obsessed with unraveling a dark hidden secret. Her past, her fears, her desire and her terrible nightmares have created a deadly web in which she is trapped, taking her away the little sanity she had left. Sometimes killing time is not such a harmless thing.

Lucía starts tonight as a Call TV hostess on the worst night of her life.