During World War II, the Nazis ravaged every corner of the world. German scientists have developed a uranium splitting super weapon that could lead to the extinction of mankind. Jewish scientist Habagou secretly took the drawings of the super weapon out of Germany and fled to the United States. After learning the news, Hitler sent the Gestapo to kill him. Habagou had to turn to Hong Kong to meet with American agents. In order to ensure the safe handover of this drawing codenamed "Beast", China's top spy,"Tianzi No. 1"(played by Lin Qingxia), entrusted Ye Laixiang (played by Lin Zixiang), a private detective from Ye Laixiang Office, to serve as Haba...