《4399高清电影完整版在线观看》免费在线观看视频播放HD高清完整版-佳佳影院超清在线观看-手机电影免费观看-木瓜电影网A homeroom teacher held 29 students hostage as vengeance for the mysterious death of their roommate. Their act takes a toll on life and sorrow. This bloodthirsty lesson brings up the raw characters of human beings.