The novel tells the story of policeman Qin Feng's battle of wits and courage with criminals. The novel selects vicious cases in the context of Hanzhou's development and depicts the complex relationship between the police, their families, and interest groups. It mainly revolves around two brothers with different surnames, Qin Feng and Liu Tianye, revealing the depth of human nature and moral conflicts. The storyline is compact and full of suspense, showing the power of choices between good and evil and belief in the rule of law. Some of the content of the novel involves real events. It uses a vicious case as an entry point and tells the heroic story of two generations of public security officers who bravely go ahead and continue to fight to maintain peace and eradicate criminal gangs through the perspective of young criminal police officer Chang Zheng.
