As a part-time Celestial Master, Gu Bailian bought a mirror from his friend Su Qingcheng and discovered that there was a guy in the house who called himself Mirror Immortal. Although he didn't do anything to himself, it was a bit strange to have a strange grown man living in his home. After all, there was nothing he could do about the gift that came with the mirror he bought, but what about this ghost covered in blood? What, you are the son of the original owner of the house who died in this room?
The self-proclaimed patron saint Jing Xian, the somewhat dull Celestial Master Gu Bailian, childhood sweetheart antique shop owner Su Qingcheng, plus the bad ghost who died in the haunted house where he lived, what will happen to Gu Bailian's supposedly peaceful life?