Grim as it is, Sadie makes for a terrific viewing experience, filled with great writing, performances and cinematography.

Patchy as it is, Sadie has its exhilarating moments - bursts of clarity emanating from an intriguing premise and captivating central performance.

But it's full of tiny, perfect touches (like the specific way the mother and daughter curl up together on their tiny trailer bed), and there's something refreshing about the way the movie just lets these character talk - and listen - to each other.