“Room” emerges as an impossible movie to embrace, offering a subject matter that demands the audience sit through unbearable acts of cruelty and despair before the emotional framework of the film begins to take shape. The feature may seem imposing from the outside looking in, but “Room” soon reveals an enormous heart and ability to communicate subtle behaviors as it works through challenging tonality. It’s a stunning effort from director Lenny Abrahamson and screenwriter Emma Donoghue (who adapts her own best-selling novel), who achieve a significant sense of humanity and drama with the picture, managing simplicity of suspense and sophisticated feelings with startling care. Read the rest at Blu-ray.com