691 A.D., the second year of Wu Zhou's Tianshou... In this year, Di Renjie was in high spirits, and he became the minister of the household department. Empress Wu Zetian was killed and changed her country to the Eastern Capital...and moved 100,000 people to Luoyang. It was also in this year that a young man fell from the cliff and came to this magnificent era...his name is Li An ...and another identity, Wu Zetian's grandson!