The day Xu Wangshu defected to the enemy camp with confidential information, the entire war zone wanted to kill him. However, he was regarded as a treasure by the enemy, the military commander called him a traitor, and the underground party wanted to eliminate the traitor - no one knew that he was the only person who could read the "second code" behind the Morse code. This unique set of encrypted dictionaries allows intelligence to penetrate every line of defense of the enemy like a plague. The enemy commander's battle plan has not yet been released, but his list of targets for traitors has been sent to the front line.
