该电影以民国民俗悬疑为题材，讲述了一个二十年前的悲剧，以及二十年后的探秘之旅。在二十年前，龙二奎（由刘交心扮演）在赶山途中救助山中麻风病院，但一次误用山中药材却引发了一场悲剧。二十年后，龙二奎携带徒弟林耀山（由张倬闻扮演）等人再次踏上赶山之路，寻找未知的秘密。
An old woman, Filomena, is hurried into the emergency room. The young man, who brought her, Matias, is very nervous. The nurses were drawn to him as he’s very good-looking. They think he’s her grandson. Filomena’s condition has stabilized but she needs further tests. At night, Matias visits her and Luna, the nurse on duty, is touched at how warm and close Matias is to the lady....
