A father gets into a desperate search to find his children who disappeared while going down stairs from their apartment in the seventh floor。

劳拉自幼在孤儿院中长大，一大群小朋友天天玩着“一二三，回头看”的游戏，十分友爱。30年后，结婚成家的劳拉带着丈夫和儿子再次来到这座海岸边上的荒废已久的孤儿院，为了重温童年时温暖的回忆以及帮助更多的孤儿，他们决定重建这里。然…