Xiao Wang (played by Shi Zhan), the best graduate of the police academy, resolutely chose to join the most dangerous police type: anti-narcotics police amid the exclamations of others.Under the guidance of %The Final Master Lao Wang (played by Yu Ailei), Xiao Wang quickly embarked on the right track of anti-drugs, continued to grow amidst twists and turns, and destroyed a drug trafficking organization that sold the third generation of new drugs.