Yang Guang, deputy director of the Third National Security Division, was accidentally involved in a conspiracy involving an international espionage organization during an operation.
As a series of unexpected events occurred one after another, Yang Guang and the members of the Third Division of National Security he led realized that they were in a crisis related to the leakage of state secrets.

Yang Guang vaguely felt that there was a terrifying conspiracy behind these incidents, so he led three departments to launch an investigation.

In this series of events, a woman named Zhao Yali became the focus of the investigation.Her identity and actions are shrouded in mystery.

She seems to be hindering the revelation of the truth, and is full of suspicion; but she also seems to be secretly promoting the development of the situation, which is unpredictable.

Faced with the trap carefully laid by the enemy, Yang Guang did not back down, but chose to go deep into the tiger's den.As the incident gradually escalated, Yang Guang and Zhao Yali, who seemed to be in different camps, were both involved in a complex whirlpool, making it difficult to distinguish between ourselves and the enemy.

And the enemy has long been hiding in the dark, waiting for an opportunity to realize the shocking conspiracy.Yang Guang has gone through many hardships, but always sticks to his original intention.

After a series of thrilling struggles and clever decisions, the enemy's conspiracy was successfully uncovered and their attempt to steal state secrets was shattered.

It wasn't until the end of the story that Yang Guang learned about Zhao Yali's unique and mysterious identity.The two of them spoke thousands of words, leaving only traces in the sky.Behind this victory is a deep personal sacrifice and moral battle.

Although the immediate crisis has been resolved, Yang Guang and his team members know that in this world full of variables, new challenges and threats are always present.