The Japanese military police focused on a "talking telegram code". Xu Chengxuan was forced to sneak behind enemy lines but discovered that Wang Shixi's true identity was hidden behind the code. Every decipher is speaking for the dead, and every connection is pushing herself into a trap; he uses a false name to regain the real information, and she uses a code name to protect the only way to survive. The war is brewing, whoever shows his trump card first will survive first
