Five-year-old Jack spent his entire life in a single room. That room was a whole world for him and a prison for his mother, where she had been languishing for seven years. Here they played, read books, and watched television. Jack believed that everything he saw on the screen was only fantasy, and that outside the room there was nothing—just endless space. But his mother knew their home was a soundproof shed in the backyard of a madman. She managed to provide her son with a full development, but Jack grew up—and so did his curiosity. Sooner or later, the room would have become too small for them. They need to escape captivity, but their jailer is very cruel and dangerous…