The story takes place in the modern city "Yunhua City". Four women accidentally intersect due to a serial murder case in an old city, and gradually uncover a series of interrelated suspense storylines: police station crimes, corporate shady stories, dark network public opinion attacks and defenses, and the struggle for women's rights, etc. Xu Tanxin tried to break through the shackles of gender as a female detective, Song Manlin discovered that most of the people she consulted were involved in the case, Qiu Jinghe secretly investigated her own stigma and corporate crisis, and Lin Wanru started from the disappearance of relatives and friends and gradually participated in the investigation. Volume by volume, multiple threads are advanced in parallel, revealing social darkness, power corruption and the plight of women. Finally, within 10 volumes, all threads converge on the "truth", the characters redeem each other, and the evil behind the shadow of the city finally emerges.
