Samuel is a paraplegic young boy who lives with his mother Elena in an isolated mansion surrounded by woods. With the strict prohibition to walk away from the mansion, Samuel grows unsatisfied and restless. When he meets Denise, a teenage maid, he finally finds the strength to oppose his mother's restraints and to open up to the world. Elena won't let him go so easily, and she is ready to do whatever it takes to keep him close to her. Why is she forcing Samuel to live as a prisoner in his own house? Why does she act cruelly towards Denise, driven by the fear that she will fuel Samuel's desire to see the world outside?