The story takes place in a certain place in Southeast Asia. The male protagonist Song En, who witnessed his father, who was an undercover agent, being killed by drug traffickers in his childhood, aspires to avenge his father. As he grows up, he signs up for the police. Unexpectedly, during a training session at the police academyAccidental injury with sequelae. His superiors suggested that he retire, but Song En, who was unwilling to do so, stole the police's firearms and ammunition on a dark and stormy night, and fled in fear of guilt. From then on, there was no news of him. Years later, Dang SongWhen En appeared again in front of his police academy classmates Chanong and Susie, he had transformed into a trusted confidant and capable general of the Southeast Asian drug lord. Turns out, years ago, the scene of fearing guilt and fleeing was played by superiors to make Song EnA carefully designed plot to infiltrate drug trafficking groups. In the battle to encircle and annihilate drug trafficking groups, Song En and others cooperated internally and externally, capturing the drug trafficking groups in one fell swoop, and attacking the leader of the drug trafficking groups, who was also the former father killerDied on the border, comforting my father's spirit in heaven.