Synopsis：The film "Golden Female Coroner: The Yin-Yang Ruler" begins with the death of Ji Qingyu, the elder sister of Ji Qingling. It tells the story of Ji Qingyu, the daughter of the wealthy Ji family, who hangs herself at home under unclear circumstances. After an autopsy by an experienced coroner, her death is officially ruled as suicide. However, Ji Qingling is convinced that there is more to it and decides to uncover the truth behind her sister's death. Directed by Li Chenglong, with screenplay by Li Chenglong and Gao Xuan, produced by Tang Chen as chief producer, and Dai Wei and Wang Xin as producers, this comedy and suspense detective film stars Xu Shendong, Xu Xin, Zhu Zhenhao, Ma Muxuan, and Ren Xuehai. In Lanling County, Ji Qingyu inexplicably hangs herself. The seasoned coroner confirms it as suicide, forcing the father to accept the verdict. Yet Ji Qingling believes foul play is involved. Using unconventional methods, the clever and quirky Ji Qingling unveils the real cause of her sister's death, earning the title of the golden female coroner admired by all.