Assuming that Zheng Chenggong's father Zheng Zhilong did not surrender to the Qing Dynasty, he mass-produced steamships to quickly dry cement dragon scales, Emperor Longwu was not killed and hid in Nanyang, and Zheng Chenggong fought his way through the Yangtze River Estuary to rescue Jin Shenghuan and Li Chengdong. This is the story of Zheng's family based on this.
