To search for his fiancée who went missing in a no-man's-land, Xu Yanfeng voluntarily became an undercover agent for the police and teamed up with Wang Jian, who came to the no-man's-land for tourism. Along the way, they faced numerous perils. Ultimately, relying on their courage and wisdom, they cooperated with the police to successfully wipe out the criminal gang and found his fiancée.
