A prestigious fairytale illustrator is hired by the psychiatric hospital director. His job there will be to decorate the hospital walls with his drawings to improve the place's atmosphere. It seems like an easy task but things get complicated when the sketcher discovers a dark corridor from where chilling screams come out.

Cast: Luis Jiménez, Gonzalo Navas, Jaime Vaca, Gaspar Ramírez, Patricia Riquelme, Laura Pons