详细介绍：A distant view of a densely packed residential nei…A distant view of a densely packed residential neighborhood. Suddenly, a scream is heard from somewhere. After this intriguing opening scene, we see a middle school boy and his younger sister, an elementary school girl, getting ready for school in a messy house with no adults around. In another house in the village, a high school boy is living alone in a desolate home. Fragment...详情