Madrid, Spain. A mysterious serial killer murders art collectors and uses their bodies to reproduce scenes from Los Caprichos, a famous series of drawings by Spanish painter Francisco de Goya.

A young woman is about to spend a quiet night at home with only the company of a movie. After a friend’s call, everything seems to go wrong. The feeling of anguish and confusion grows every minute at the inexplicable events that are chained in the house and a question runs through her mind, is she really alone?

Lucas comes home for Easter. As every year, the celebration takes place around the throne of the Magdalena, patron saint of the town, where both blessed and atheists coexist with tradition. Every season a young woman is in charge of dressing the figure, this year's is a complete stranger to him. The girl and the image have a particular relationship, a strange interest grows in Lucas.