After getting drunk and accidentally climbing a dragon branch, Li Jing's eldest son Li Derjian became the laughing stock of the entire Chang'an, and even became the "curse" that Li Shimin wanted to get rid of.
But who would have expected that the prince-in-law who was forced to marry Princess Changle would actually be a soul from a thousand years later.
He taught the people to grow sweet potatoes and corn, so that there would be no more years of famine in the Tang Dynasty; he created the coordinated tactics of infantry and cavalry, swept across the western regions of the Mobei, and made all countries surrender; he advised the court, eradicated bad governance, assisted two generations of emperors, and pushed the Zhenguan rule to an unprecedented peak.
When the Prince Consort's carriage rolled over the yellow sand of the Western Regions, and when Princess Changle's phoenix crown reflected the bright moon in Chang'an, a prosperous age belonging to Duke Wei's legitimate son was slowly beginning.
