The play tells the story of Mao Zedong's mental journey from graduating from Hunan First Normal School in 1918 to participating in the First National Congress of the Communist Party of China in 1921. During this period, China has undergone tremendous changes. The New Culture Movement has set off a trend of Western learning spreading to the East, the dawn of Marxism has shone into China for the first time, the May Fourth Movement has raised the banner of freedom and democracy, and the smoke of warlords' melee has aggravated the suffering of the Chinese people... On this historical stage where the winds and clouds meet, various forces are surging, the strange situation is foggy, and the fate of the country and the nation is like a small boat in the bleak cold wind, life and death are only a moment away. In the past few years, Mao Zedong has been ambitious and tenacious in finding a way to save the country and the people at a time of national crisis, and has gradually grown from a young student to a firm Marxist. Through events such as Mao Zedong's northward search for truth, organizing young students to work and study in France, leading the Hunan expulsion movement, founding "Xiangjiang Review", carrying out student and labor movements, and forming the Hunan Communist Group, the play records the touching story of how Mao Zedong found Marxism among the many isms and fought for it all his life.