Samuel is a paralyzed boy who lives with his mother in a villa isolated from the world. He grows up under the watchful eye of a caring but strict parent who forbids him to leave the walls of the house under any circumstances. However, life in the villa changes when a series of strange and disturbing events takes place. The discipline-based order is disturbed by the appearance of a young, rebellious maid, who awakens in Samuel the strength to oppose the ubiquitous rigor and the need to discover the truth about the outside world. Faced with rebellion, Elena decides to keep her son with her at all costs. What secrets does it hide? Why is he treating his son like a prisoner in his own home?