Pablito, an innocent young man with little sexual experience, discovers mysterious books with strange figures and drawings in his deceased grandfather's closet. The boy, ignorant of the occult sciences, recites a curious text that invokes Lili, the demon of lust, who, eager to corrupt innocent souls, offers him to fulfill all his sexual fantasies. Pablito accepts excitedly, not knowing that the sensual demon will unleash the most forbidden desires of his unconscious....
