During the Zhenguan period of the Tang Dynasty, under the rule of Emperor Taizong Li Shimin, the politics were clear and the economy was prosperous, but there were undercurrents from all sides inside and outside the palace. The protagonist unexpectedly travels through time and grows up as Sun Wuji's son, Sun Yi. Originally, he just wanted to live a miserable life while waiting for death, but due to a series of unexpected events, he gradually changed his mind and began to show his talents in this era.
