During the fierce fire on the night of Jingnan, Zhu Yunwen escaped from a secret passage under the cover of his loyal servants. He was injured by an arrow and fell into the Qinhuai River. He was rescued by Su Wanqing, a doctor in coats. The two traveled to the south of the Yangtze River during the encirclement and suppression by soldiers, and met Lu Jiuyuan, the young leader of the Cao Gang. They uncovered the network of civil resistance. What will be the outcome of the exiled emperor?