Scenario:The background of this novel is set in China, with all characters, locations, and events taking place there. Therefore, you should approach the writing from the perspective of a Chinese novel, ensuring coherence and logic in your creation. Characters should not be confused, the plot should be tight, and all clues and questions will be answered in subsequent developments. Below is the rough outline of the novel provided to you. Please create based on the following content, but do not deviate from the main theme I have set: During the Republican era, the eccentric yet gifted detective Zhang Chen is invited by the chief of the Tianjin Police Bureau to assist in solving cases. A series of heinous crimes have left the public in fear, and their superiors have ordered them to swiftly solve the cases. However, just as Zhang Chen is about to uncover the shocking secrets hidden within the Tianjin Police Bureau, the chief of police suddenly announces his engagement to Miss Meilin, the prime suspect in the most significant crime...