《3d立体电影》免费在线观看视频播放HD高清完整版-好看电影网电影在线看-豆瓣电影手机免费播放-韩剧网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.