The Devils (2002)

The devils are 12-year-old Joseph (Vincent Rottiers) and his sister Chloé (Adele Haenel), who have spent their formative years in care. Joseph is angry, resourceful, and hard beyond his years, but his sister is quiet, withdrawn, and autistic, making each of their repeated escape attempts especially dangerous. Abandoned on the streets of Marseilles as a child, Joseph wants nothing more than to return to his estranged family. He's convinced that Chloé wants the same, since her mosaics of broken glass always return to the same image of a simple house. Desperately hoping that returning home will make his sister normal again, he's running out of patience with the care system's attempts to keep them both locked up.