To locate the son of the richest man, identified by a birthmark, a legendary female poison master opens a bathhouse. But the arrival of a poison-immune thief puts the bathhouse in the spotlight in Dongli City.
On a stormy night, novelist Ren Yingying finds Shen Qianxun, the tragic hero from her book, in her world. To make up for his suffering, she showers him with affection, sparking a sweet romance.