A fictional history, the Yong Dynasty. The male protagonist is the son of the King of Zhenbei. Later, the King of Zhenbei was destroyed by evil forces colluding with the northern barbarians. The male protagonist escaped by chance, and then changed his identity and became another person. Emperor Shunhe built the Zhanbei Tower to commemorate the Zhenbei Army's achievements in guarding the northern border for many years. Later, Emperor Shunhe passed away. Many years later, the old events of the previous dynasty were uncovered, and Dayong also faced a critical moment of internal and external troubles.
The heroine: Unlike an ordinary woman, she likes martial arts and investigating crimes, and later falls in love while walking side by side with the hero.
Let's see how the male and female protagonists overturn the old case, pacify the northern barbarians, and start a new chapter.
Intention: ancient power strategy