The war of World War I swept across the world. As an ancient capital in troubled times, Peiping not only had a new atmosphere of Kyoto's municipal construction, but also concealed the undercurrent of the game between Chinese and foreign forces. Folk anecdotes and metaphysical mysteries were intertwined, and crimes occurred frequently. Su Lin, a female detective who was born in Nanyang and studied in Europe and the United States, was tired of the glitz of foreign countries and the turmoil in her hometown, so she opened a private detective agency in Peiping. She is proficient in logical reasoning, basic Western medicine and foreign languages. She often holds a lady's cigarette on her fingertips, and has a calm and distant personality but a compassionate heart. Assistant Zhao Liqian (Qianqian) is a local girl from Peiping. She is familiar with metaphysics and folk customs, has a delicate mind and is loyal, and has become Sulin's most tacit partner on the way to investigate. Starting from the detective agency, the two successively solved 12 independent strange cases, including the Phantom of Clinder Square, the Jade Tablet Case of Yonghe Temple, and the Fox Demon Case of Shichahai. They traveled through the streets, marketplaces, ancient temples, and dangerous caves in the mountains of Peiping, dismantling the man-made metaphysical conspiracies. , Reveals the criminal conspiracy hidden behind folk anecdotes, faces the greed of people and the gloom of the times, uses wisdom and courage to tear through the layers of fog in troubled times, protects the peace of one party, and also writes the passion and persistence of the two women during the investigation.
