Claudia, a twenty-five year old with serious insecurities, rents the upper floor of an isolated house. There she meets Letizia, her owner, a charming woman with a dark past who introduces her to metaphony, a technique that allows you to communicate with the dead. That innocent game soon turns into a nightmare: after discovering the terrible secrets enclosed in that house, Claudia will have to survive Letizia's madness, determined to sacrifice her to supernatural entities.