Teenager Bianka is the coolest babysitter in town, until one night, it is discovered that she belongs to a satanic sect and needs to sacrifice a young virgin.

Forty years later, Guillermo Montesinos, the actor who played José María el Cepa in The Cuenca Crime (1980), directed by Pilar Miró, returns to the various locations where the shooting of the mythical film, narrating the infamous Grimaldos case (1910), took place.

Victor Matellano directs this tale set in a stately English manor inhabited by two older female vampires and with their only cohabitant being a man imprisoned in the basement. Their lives and lifestyle are upended when a trio of campers come upon their lair and seek to uncover their dark secrets, a decision that has sexual and blood-curdling consequences.