In every corner of Wei, Shu, and Wu, spies of all kinds are lurking. They either obey the orders of the "Jinzhuo Cao" chaired by Cao Pi and Sima Yi, or are loyal to the "Military Council" headed by Liu Bei and Zhuge Liang, or they are risking their lives for Sun Quan's "Jiefan Camp". Their identities are secret and they come and go without a trace, but they control the situation of major and minor battles in the Three Kingdoms, becoming a terrible legend in the era of cold weapons.
In the twenty-fourth year of Jian'an (AD 219), Wei and Shu fought at Dingjun Mountain. A spy "Han Chan" who had been lurking in the top ranks of the Wei state for many years leaked military information, instantly turning the tide of the war and causing Cao Wei to be defeated. For a time, the ruling and opposition parties of the Wei State were shaken, and all countries were suspicious of each other. A spy and counter-espionage operation swept the three countries and quickly unfolded...