Two teen rival babysitters Jenny and Luci, team up to hunt down one of their kids who accidentally run away into the big city without any supervision.害了长姐一大家人，又害死妹妹，这件事，过去了几十年，每当午夜梦回时，凤家主总能梦见长姐和妹妹双双来找她算帐，让她惶恐又愧疚。