Hong Sanyuan took his mother and friend Qilin to Shanghai to go to Yanhua and was involved in the struggle of the two major companies. Yan Hua was a dock worker at this time, and he was elected as a worker leader without fear of power. Hong Sanyuan has repeatedly resorted to wit on the sinister beaches. Hong Sanyuan and the loyalists Shenda worshipped as brothers, and Lin Yiyi, who came to the poster with his father's hate, became a rebellious person in the fight and wrestle, and Lin Yiyi, who disguised as a man, fell in love with Hong Sanyuan. Hong Sanyuan is close to the rich family woman in Mengzhu, Yu Mengzhu loves Hong Sanyuan. Yan Hua was in danger and was saved by the Communist Party member Liang Xingyi and joined the Communist Party. Lin Yiyi took risks for revenge, and Hong Sanyuan and his rushed to the end of the world. Lin Yiyi was killed and Hong Sanyuan returned to the beach. Under the influence of Yan Hua and Liang Xingyi's progressive thoughts, Hong Sanyuan gave up the hard-won "good life" and escorted Liang Xingyi to leave Shanghai to share all his life. Hong Sanyuan gradually understood that this road led by the Communist Party is the great future he wants to pursue.