Chu is lost to Wei because of a false report from "Chen Gong" (Chen You), Chu's spy "Xunxu" (Bai Yu), an anti-spy expert from Chu, infiltrates. Wei Province to investigate until it was found that in the Chu region's intelligence agency There is a Wei State spy named "Zhu Long". Zhu Long didn't just switch Chen Gong's reports. but also prepared a covert operation to steal Chu Country's crossbow design drawings, starting the "Operation Qingping" to cause chaos in the Chu Country. Swinxu joins hands with Chen Gong to find the real "Zhulong".