{Suspense + Detective + Single Female Protagonist} During the Hongwu period of the Ming Dynasty, murders occurred frequently in the capital, creating mysterious black flowers. Jinyiwei Qianhu Zhou Ran and genius widow Liu Zuoyi were ordered to investigate, and every step was startling. The clues point directly to the secrets of the palace and the dusty murder case of Guiyou year, and involve the "dead soul" prince Zhu Bai who should have been buried in the sea of fire and the Black Flower Organization controlled by him. The two of them peeled off cocoons, bravely entered the dragon's pond and tiger's den, illuminated the ghosts and monsters in the Qianqing Palace, and fished for Shen Hen from the bottom of Taiye Pond. The bloody truth shakes both the government and the public, but under the misty rain in Jinling, new murderous intentions and unsolved cases have quietly emerged...
