When Ji Lange married He Yannian, Yu Dynasty and Su Dynasty became Nan Yu and Beisu.
Nanyu women are respected, and Beisu men are respected.
Nan Yu made the legitimate son of the Right Prime Minister the head of the palace and married the new emperor of Beisu; while Beisu chose one of the former emperor's daughters to marry to Nan Yu.
Ji Lange didn't know how the princess of Beisu was living in Nanyu, but he fell down for no reason in his life. From the clouds to the mud, he has no regrets.
He Yannian regrets. He just wished he could go back to the time when he had cut himself to death, Ling Chi.
Demining: Involving Lily