In the changing and turbulent war years, a mysterious agent codenamed "Shadow" emerged. He was originally just an unknown person, but due to an accident, he was involved in the undercurrent world of agents. He shuttled between various forces, relying on his superb wisdom, strong skills and steely will to wander on the edge of life and death again and again, completing seemingly impossible tasks one after another. He punishes traitors and frightens those who betray the country and seek glory; he steals intelligence to provide key basis for the decision-making of his own camp; he goes deep into the enemy camp and stirs up the situation under the eyes of the enemy. In the process, he also fell into a complicated emotional entanglement. On one side was the bloody spy war career, and on the other was the inseparable love between his children. How would he choose? When the truth gradually emerges, what shocking situation will he face? A thrilling and exciting secret agent legend begins here.
