该剧是《关于我和鬼变成家人的那件事》的衍生剧。一连串命案发生，陈尸现场被布置成怵目惊心的成语字谜，菜鸟小队长林子晴（王净饰）联手刑警吴明翰（许光汉饰）与正港小队，分秒必争解开杀人魔的致命谜题。。When an ex-cop arrives in a small town searching for answers to a murdered ranch owner and his missing daughter, it slowly becomes clear he has his own personal agenda to finding the truth.。