Yida Zhonghun

After the failure of the third armed uprising of Shanghai workers, the city of Shanghai was filled with white terror. Ali, a young Communist Party member, narrowly escaped death and struggled to find a party organization. He was attacked by the gangster leader A Jin's men in the market. During the melee, Ali found that the woman leading the opponent looked familiar, and the woman also recognized Ali and let him go. The thugs were baffled. In an abandoned factory, Ali found a hidden weapon and unexpectedly met his comrade Bingkun. The two vowed to pay with blood. The spy chief Yu Ensheng searched for surviving revolutionaries everywhere, and he colluded with the scab Qiu Boping. One day, while the two were eating, Ali and Bingkun came in. Qiu Boping was beaten to death, and Yu Ensheng managed to escape. Ali and Bingkun continued to search for their comrades, but were in danger again. Fortunately, a lady came to their rescue in time and turned around to kill the evil-doing Ah Jin. Ali and his wife gradually fell in love. Notices were posted on the streets, and everyone had to disperse. They managed to kidnap Zhu Jiefu and negotiate with Yu Ensheng to exchange hostages. The cunning Yu Ensheng tried to take the opportunity to catch all the revolutionaries. With the cold wind and dark clouds covering the sun, another bloody battle is about to begin...