Lin Yu, a graduate student in the Department of Modern History, accidentally transformed into Zhu Youlang, Emperor Yongli of the Southern Ming Dynasty. When you open your eyes, you will see the dilapidated palace and the Ming Dynasty in danger. Jiannu is pressing forward step by step, Sun Kewang is ambitious internally, and the conservative forces are intertwined. But Lin Yu, relying on modern knowledge and familiarity with history, did not back down. He recruited talented people, and with Li Dingguo's full assistance, he firmly started the road to reform. Improved firearms, reorganized the army, and tried to turn the tide. However, the enemies in the dark have already sharpened their swords, and a battle concerning the life and death of the Ming Dynasty is about to begin. Let's see how Lin Yu rewrites the fate of Nan Ming in this desperate situation and creates a legendary epic of restoration and resurgence.