In the summer of the 36th year of Jiajing, a salesman who loved history crossed the Yangtze River of the Ming Dynasty where Japanese pirates were rampant... this is an era of star explosion. There are Yu Dayou, Qi Jiguang, Liu Xian and Ma Fang in the Ming Dynasty, the three heroes of the Warring States period in Japan, the Shimadzu brothers, and Li shunchen in the dynasty. How should he face it Nuerhachi brothers led the founding of the state, and Nvzhen is about to rise. Businessmen from various European countries are driving large ships and cannons. What should he do this is a great era, an era with bright stars... Is it the darkness before dawn? Or the dusk before the dark?