After participating in a séance, young Laura begins to behave strangely. Alarmed, her parents ask Father Olmedo, one of the few exorcists authorized by the Vatican to intervene in cases of demonic possession, for help.
On the eve of college graduation, six best friends embark on an epic weekend to celebrate—but it takes a fatal turn. Nearly 20 years later, the survivors are reluctantly reunited by a blackmail text threatening to expose the truth about that fateful night.
The story of Julia, a woman currently living out the life that her mother and future husband have planned for her. But just as she is about to get married, she discovers a great family secret that will change her forever. On the verge of a nervous breakdown, she decides to get away and finds refuge in a secluded town in the mountains of Madrid where she will have a complicated mission: to take control of her own destiny.
Inspired by real events, the story centers around a family in the 70s who settles in the Madrid neighborhood of Malasaña where their new house will become the worst of their nightmares.