Ana, a nursing assistant, begins to feel attracted to Agustín, the husband of the woman in a vegetative state that she has been hired to take care of. Soon she begins to be harassed by strange paranormal phenomena that seem to try to throw her out of the house and separate her from Agustín.

Raquel, an archaeologist, has given a press conference on the discovery of a unique archaeological site: two bodies from different periods, the year 1483 and 1941, have appeared in the same burial in the municipality of Valsequillo. From this discovery we will know the secrets of those bones that explain how they got to that place.