When Shen Fei, a doctor in engineering, woke up after being drunk, he found that he had traveled back in time to an orphan with the same name as him in the Longjiang Shipyard during the Hongwu Period. He started by repairing a leaky ship, and eventually commanded the Ming fleet as "Zheng He" named "Zheng He" by Yongle, drew the "Comprehensive Map of Kunyu and All Nations", established a network of tribute, mutual trade, Seyi Pavilion and overseas garrison, so that all ships in the world sail on the waterways and rules established by me.
