This drama not only describes the shocking criminal process of Zhang Shihao in a new perspective and method, but also traces Zhang Shihao's tortuous growth experience and his love-hate relationship with his wife Guo Jinfeng for nearly 20 years. It shockingly shows the numerous evil deeds of this criminal group, such as violent robbery, kidnapping and extortion, and arms smuggling. At the same time, by showing the story of the mainland and Hong Kong police working together, not fearing hardships, and fighting wits and courage with criminals, it praises their resourcefulness and bravery, and warns those criminals who attempt to test the law that the net of heaven is vast and they cannot escape even if they have wings.