Tells the story of Halan in Northeast in 1997, before the establishment of the Narcotics Control Bureau. Faced with a sudden drug crisis, a makeshift elite team is assembled, each with their own strengths but clueless about the new drug... As they confront the ruthless drug trafficking syndicate and unravel their devious and bizarre drug trafficking schemes, they must also navigate the moral dilemmas of love and law, and the tests of justice and humanity. They stand by each other and overcome all obstacles and challenges, forging a heroic legend of fighting evil and upholding justice. (Source: Youku)