1. Wu Shen

Born from a family of intellectuals, his uncle is an excellent public security officer and often tells him police stories. Influenced by his uncle, he determined to be a policeman since he was a child. After graduating from the Criminal Investigation Department of the University of Political Science and Law, he joined the SWAT team of the Ruili City Public Security Bureau. In the rain of bullets, he grew into an excellent SWAT captain with accurate marksmanship, high agility, firm will, and superior IQ.

2. An Ning

The captain of the 11th Detachment of the Liangjiang City Anti-Narcotics Corps, a genius policewoman who comes from a family of police officers. He was admitted to the police academy at the age of 16. After graduation, he repeatedly solved major crimes and was promoted to captain of the anti-drug detachment of Liangjiang City. With a cheerful and generous personality and a straightforward and powerful style of acting, he is a messenger of justice who scares drug dealers. An Ning finally relied on her own efforts and Wu Fei's help to successfully destroy the largest drug trafficking group in the history of Liangjiang City.

3. Kuang Jun

Captain of the Anti-Narcotics Corps of Liangjiang Municipal Bureau, the superior of Zou Feiyu and Wu Fei. He has extraordinary bravery, firm belief, and lofty pursuit. On the anti-drug battlefield, where he is always facing life and death challenges, he is calm and calm when encountering difficulties. He acted cautiously, calmly and concealed himself. He led Wu Fei and An Ning to start a just battle with drug lords, and finally found and destroyed the drug manufacturing factory.

4. Wan Yanbin

One of the three top figures in the drug cartel. He was responsible for channel transportation in drug trafficking operations. Due to dissatisfaction with the status quo and driven by ambition, he began to take responsibility for the drug cartel. The doctor who provided the drug was in conflict, and he was looking for the complete formula of ice blue, with the intention of controlling the production of the drug in his own hands.

5. Lin Jiayu

He was originally the technical director of a large state-owned pharmaceutical factory, but because he was squeezed out by his superiors, he had no hope of promotion. In anger, he decided to go overseas to do business, but... His business failed due to being set up by someone, and he also owed usury, and his wife unfortunately passed away. Later, he became the chairman of Jiayu Group, a successful entrepreneur.