Three years ago, "Shadow" agent Ling Feng was betrayed by his teammates during a mission to destroy the stronghold of the international terrorist organization "Purgatory" and fell into the deep sea, with his life or death uncertain. Three years later, he was lurking in the city with a new identity. While secretly investigating the truth of his betrayal and looking for his enemies, he was forced to be involved in various bizarre cases.
From the secret transactions of transnational drug cartels, to the theft of core data from technology companies, to the destruction of important facilities in our country by foreign forces, Ling Feng relies on his extraordinary agent skills to survive every step in a crisis-ridden environment. He meets the mysterious beautiful intelligence agent Su Qing by chance. The two go from testing each other to fighting side by side, and gradually develop a love for each other.
However, as the investigation deepened, Ling Feng discovered that the betrayal was no accident. A huge dark organization was involved behind it. This organization not only penetrated into the military and political circles of various countries, but also secretly developed biological and chemical weapons that could destroy the world. In order to protect the safety of the country and people, Ling Feng had to take up arms again, summon his former comrades, and launch a thrilling ultimate showdown with the dark organization. In this duel, he not only has to face a powerful enemy, but also unravels the mystery of his life experience and uncovers the truth hidden in the darkness.
