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The story takes place somewhere in Southeast Asia. Having witnessed his father, who was an undercover, being murdered by drug traffickers as a child, the male protagonist Song En is determined to join the police force and avenge his father. However, he gets injured during a training session at the police academy and suffers from complications. Upon his superiors’ suggestion that he quit, the reluctant Song En steals the police's guns and ammunition on a dark and stormy night and flees in fear of incrimination, and there has been no news of him ever since. Many years later, when Song En re-appears in front of his police academy classmates Cha Nong and Susie, he has transformed into the confidant and right-hand man of Southeast Asia's major drug lord. It turns out Song En’s escape many years ago is a scheme carefully designed by the superiors to let Song En break into the drug cartel. In the fight against the drug cartel, Song En cooperates with the others while working on the inside. They successfully wipe out the drug cartel and kill their leader, Song En’s father’s murderer, such that his father can rest in peace....

The ex-special police officer Zhou Dongyang went overseas alone to find his comrade Liu Xiaogang's kidnapped son, Taotao. Venturing into the den of crime, he fought against the criminal group and ultimately destroyed the enemy's lair, rescuing the trafficked child. This story crafted the image of a tough Chinese man who values friendship, commitment, and despises evil. Especially notable is how Zhou Dongyang, due to his own mistake that led to his captain's sacrifice, fell into a period of indulgence and negativity after retirement. However, through this journey of braving dangers alone, saving Taotao, and destroying the enemy's lair, he rediscovered the spirited feeling of his youth, achieved redemption, and found a positive direction in life again....