Wu Qi, a famous Warring States star, stayed away from home for fame and fortune, vowing never to go home until he became famous. Later, Wu Qi's mother died of illness, and Wu Qi didn't make any achievements outside. In order to keep his oath, he insisted on not going home to attend the funeral. Fall in the name of unfilial.

Li Shimin, Emperor Taizong, killed his younger brother and forced Li Yuan to abdicate, and then killed Li Yuan after the foundation was solid. However, he is good at tampering with history. Finally, under his constant guidance, Fang finally turned a villain who killed his biological father into a wise king.