The historical prototype of is Li. Dong Jianchang, a veteran of the national revolution, is a character in the TV series The Vicissitudes of the Right Path on Earth. He is far-sighted and resourceful. He changed camps repeatedly in the changeable situation, and was evaluated by Chu Cai as a speculator specializing in buying political futures.

However, his concern for the future of the nation is heartfelt, his love for China is unshakable, and his support for the Qing Dynasty is put into action. He finally recognized the direction of history, responded to China's call and led a peaceful uprising. Li is the acting chairman of the enlistment test Committee of Huangpu Military Academy, similar to that in TV series.

The right path in the world is the outline of vicissitudes.

Liling City, Hunan Province 1925. Yang Tinghe, a retired warlord and Yang Jiazhu, has three children, the eldest son Yang Liren, the daughter Yang Lihua and the youngest son. Although Yang Liren and Yang Liqing are brothers, their relationship is not very harmonious. Yang Liren was infected by the revolutionary trend of thought and prepared to secretly assassinate the important officials of Beiyang government who patrolled Hunan. Yang Liqing stole Yang Liren's gun to play with, but it accidentally went off, which made the assassination plan die early. After that, the two brothers went to Guangzhou to find their own future.

Yang Liren became the staff instructor of Huangpu Military Academy through the introduction of Yang Jiayou and Chu Cai, while Yang Lihua was already a staff member of Guangzhou National Government. Yang Liqing successfully entered the Whampoa Military Academy with his painting skills. While studying, Yang Liqing regarded Qu En as a life mentor and developed feelings for Qu En's sister Qu Xia. At this time, Yang Liren has entered the political core circle of the Kuomintang Chiang Kai-shek Group and participated in military and political secrets.