Set in the Guangdong-Hong Kong-Macao Greater Bay Area, the novel follows Guangzhou criminal police officer Zhang Zhenting as its central protagonist. Through six gripping crime investigations inspired by real cases from recent years, it depicts the life-and-death struggle between the police and high-tech criminal syndicates in the modern era. The story focuses not only on the technical details of solving cases, but also on the practical challenges of judicial cooperation between the three regions, the characters’ struggles between personal feeling and the law, and how those in uniform, flesh and blood, seek balance between the greater good of the country and their own pain. Ultimately, it reveals that justice never arrives easily in this land joined by its rivers. It takes countless people pressing forward through the cracks in the system, feeling their way with a light through the darkness of human nature. That light is the warmth of the bowl of soup ordinary people can wake up and drink in peace each morning.