While on vacation in Spain, a young tourist named Lisa gets separated from her group in a small town. She encounters a fresco depicting the devil carrying away the dead and becomes fascinated with its eerie depiction. Her curiosity leads her to a mysterious man who resembles one of the figures in the fresco. Later, she discovers a grand but secluded mansion and is forced to stay there when her car breaks down. The man from the fresco, who introduces himself as Leandro and works as the butler, welcomes her into the mansion which is inhabited by a blind countess, her son, and a few other peculiar residents.

Inside the enigmatic mansion, Lisa experiences strange visions and cannot shake the feeling that she has been there before. The mansion's inhabitants behave oddly, leading Lisa to suspect that something sinister is afoot. As night falls, tensions rise, and the mansion's dark history starts to surface. Meanwhile, Leandro manipulates events behind the scenes, his true intentions hidden. As the night progresses, Lisa must unravel the mystery of the mansion and its inhabitants or risk being consumed by the secrets it holds.