"Emperor Qianlong" takes Qianlong's private visit to the south of the Yangtze River incognito as the main line, and outlines the legendary journey of this emperor who was both manipulative and heroic. He changed his name to "Gao Tianci" and traveled to Suzhou, Hangzhou, Yangzhou, Zhenjiang and other places with his adopted son Zhou Qing. On the way, he met heroes and martyrs such as Tang Huan and Zhang Tinghuai. The whole book revolves around Emperor Qianlong and connects the ups and downs of the court intrigues and the chivalry in the world, vividly portraying the image of a monarch who combines the wisdom of machinations, chivalrous heart and imperial bearing.