When fellow watchman Liu Zi dies under mysterious circumstances, Lu Chen, a night watchman who can perceive the supernatural, teams up with Nie Qier and Su Wangfeng to investigate a string of paranormal cases. As they uncover connections between vengeful spirits, mysterious deity statues, and strange events in Chaolu and Qingming, they find themselves drawn into a conspiracy that threatens the stability of the kingdom.

动物心理学专业的大学生苏晚，自幼就热爱小动物，见不得它们受伤害。一次，她得知一批狗狗被不法分子拐卖，不顾个人安危，独自循着线索找到不法分子的藏身之处，想要解救狗群。势单力薄的她很快被发现，不法分子语气凶狠，苏晚陷入生命危险，孤立无援之际，一个熟悉又陌生的身影突然出现，制服不法分子救了她。让苏晚意外的是，这个神秘男生，竟是与她失散十六年的竹马哥哥叶天宇。儿时两人亲密无间，却因种种变故意外分离，这场惊险的相遇，让他们重新有了交集。