Synopsis:
On the eve of the Battle of Liaoshen, the Northeast Field Army made a flash attack on the outer county town of Jinzhou and surrounded Jinzhou. The intelligence agent codenamed "Green Snake" was arrested. Lin Xi, the section chief of the Secrecy Bureau, was ordered to go to Jinzhou to conduct a thorough investigation of the incident with Zhou Yingqun of the Party Communication Bureau and Jiang Wei of the Second Department of Defense.
Lin Xishi is a red agent, and his secret mission is to rescue the "Green Snake" and help him hand over the Jinzhou City Defense Map to the East Field outside the city to support the attack on Jinzhou. Unexpectedly, there are undercurrents and changes in Jinzhou City. Faced with the enemy's heavy fallout, is Lin Xi able to successfully complete the mission? The encounter with Xia Qing and his party also seemed to suddenly cross further into an otherwise unrelated line in the single line of life, which seemed to have led Lin Xi to find a new way forward, and where was his destination this time?
At the darkest moment, what awaits him must be a bloody battle!