Blue Shield Safe

Spring of 1949, Jinling City. On a stormy night, the home of Nurti (Gosa), the ambassador of a certain country, was robbed and a safe containing gems was stolen. After receiving the call, Interpol Captain Lu Hong (played by Ma Changyu) led public security soldiers to investigate. On-site trace investigation showed that the case was committed by the Gu Jinshan (played by Ren Weimin) brothers, well-known habitual bandits in Jinling City. After hearing about the case, the secret service stationed in Shanghai believed that the time had come to smear the Communist Party, and secretly ordered the agents lurking in Jinling to prevent the Communist Party from cracking the case. Lu Hong and Pang Charlie (played by Chen Shu) visited suspicious places in the city, but failed to obtain any important clues, and the case reached a deadlock. At this time, a mysterious figure found Sai Susan (played by Shen Jian) ​​in an underground club and plotted how to open the box to retrieve the treasure. They learned that the female commission girl of the embassy (played by Wang Qinbao) knew how to open safes, and Qian Guishan (played by Dong Lin) disguised herself and hijacked her. Lu Hong had a disagreement with Pang Charlie during the investigation of the case...