After returning from studying in Japan, Chen Wangdao took on the task of translating The Communist Manifesto, which changed the trajectory of his life. Chen Duxiu, Yu Xiusong, Shi Cuntong, Jing Hengyi, Dai Jitao, Cai Muhui and other historical figures appeared one by one. After experiencing the turbulent changes of the times, friends either sacrificed or left, Chen Wangdao faced the test of life and death.