Cold and beautiful detective captain Nanxing, mysterious and cold scientific genius Xihe Baibu, fashionable and cute girl, teasing detective Gao Yang. The four of them form a mysterious investigation team and work together to solve a supernatural and bizarre caseFamous violinist Lin Sheng died mysteriously after playing a mysterious guqin. It is said that this guqin was cursed by the musician, and over the 300 years since its birth, dozens of collectors have been playing itStrange death after the guqin. Nanxing and Xihe rushed to the scene of the crime one after another. Due to a misunderstanding, Nanxing fought fiercely against Xihe, creating a hilarious story. According to the clues provided by Xihe, the case is seriousWhen the suspect Lao He surfaced, when Nanxing rushed to Lao He's house, he unexpectedly learned that Lao He had mysteriously died a month earlier. Investigation revealed that on the day of his death, he happened to play the guqin. As the investigation deepensIn fact, another important suspect, audio engineer Wang Li, died on the spot while listening to a recording of a guqin playing. All case clues were interrupted, and the situation became confusing, just as Nanxing and others fell into despairXihe unexpectedly summoned everyone to his laboratory and, through a series of exquisite experiments, publicly revealed the mystery of Guqin murder