"Detective Qu Lang" is a series of novels, including "The Murder at Wentao Villa", "The Serial Case of Jewelry Theft", "Suspicion of Girlfriends", "Shadow Conspiracy", etc... Qu Lang returned from abroad, With the help of Xia Yihang, the head of the Municipal Criminal Investigation Brigade, he is very talented, gradually getting acquainted with the society, gradually integrating into the society, and finally becoming a famous detective all over the country.