青幫
By the time that Sun and Jin met, Jin was already a famous film and theater actor, "the Clark Gable of the Shanghai stage". When he was young, Jin was adopted by the Shanghai gangster Du Yuesheng, and encouraged to join the Communist Party in order to facilitate collaboration between the CCP and the Green Gang. In the 1930s Jin became an agent of Zhou Enlai, and gathered information for the Communists. During the Second Sino-Japanese War Jin toured areas of China not controlled by the Japanese, staging patriotic anti-Japanese plays.