Synopsis: Lin Wanqiuqiu, a former criminal investigation portraitist of the special case team, made a mistake while tracking down the "Tattoo Serial Killer" and led to the death of his partner. Disheartened, he returned to Linyuan Ancient City and opened a tattoo studio in an attempt to escape the past. Bizarre murders occurred one after another in the ancient city, and the bodies of the deceased all had strange ancient tattoos that could not be removed, and the patterns closely matched the "Hundred Ghost Pattern Manual" that was lost to Lin Wanqiu's family. Under pressure, Lin Wanqiu had to cooperate with Shen Buyan, a tattoo artist who had key clues but whose identity was a mystery. During the investigation, the relationship between the two went from being wary of each other to secretly in love. When all the evidence pointed to Lin Wanqiu's late grandfather, the real murderer emerged - he used Lin Wanqiu's guilt and family secrets to orchestrate a revenge that spanned twenty years. In the end, Lin Wanqiu must make a choice between protecting the innocent and facing up to the sins of the family. She personally carves the tattoo that symbolizes curse and protection to end everything.
