Lin Yuxuan was a scout in the Reconnaissance Section of the Political Security Bureau of the Red Army during the Red Army period, and Su Yao was a staff member in the Intelligence Cryptoanalysis Section of the Political Security Bureau of the Red Army. From the Red Army period, the Anti-Japanese War and Liberation Period to the liberation of the country, the two of them have always been side by side comrades-in-arms and later became partners...
