剧集改编自热门同名小说，讲述少女仵作许琳琅因血案卷入江湖，与鹿九、司马箜组成热血三人组，在无相城等势力交织的“江湖暗网”中携手探案，揭开真相并收获成长与情感的精彩故事。
该剧讲述了世代经营橘子产业的沈家老爷沈晏清（黄维德 饰）与六弟沈晏洲（王瑞昌 饰）同时爱上家境困顿的秀橘（关畅 饰），为了延续沈家的香火，在大太太庄惠（陈紫函 饰）的安排下秀橘嫁给了沈晏清，于是四人之间开启了一段爱恨痴缠的虐恋故事。
When their mother is hospitalized in a car accident, Pim and Putt suddenly discover that they have a set of grandparents they've never known about. But a terrifying truth has long been hidden within the walls of their grandparents’ house, a truth that gradually reveals itself to Pim and Putt through a mystical hole, unleashing hair-raising horror on their family.
