Lin Xi, a member of the gang at the Mixed Wharf, was forced to get involved in the intelligence war between the Military Statistics Bureau and the Japanese aggressors due to a key. Therefore, he also met progressive female student Su Nan and honest and principled Military Statistics agent Zhou Yingqun with his good brother Li Yunfei. The truth behind the key has peeled off layer by layer, leading to gang struggles and domestic conflicts
Lin Xi, a member of the gang at the Mixed Wharf, was forced to get involved in the intelligence war between the Military Statistics Bureau and the Japanese aggressors due to a key. Therefore, he also met progressive female student Su Nan and honest and principled Military Statistics agent Zhou Yingqun with his good brother Li Yunfei. The truth behind the key has peeled off layer by layer, leading to gang struggles and domestic conflicts