Wu Zetian, the empress of the Tang Dynasty, has been in control of the world for more than ten years. Her power is at the peak of her power, she is far-sighted and cold-minded. However, as her biological son, the third prince Li Chengze was not willing to spend his whole life in his mother's shadow. As a prince, he has outstanding talents and intelligence. He longs to reach a higher peak and is unwilling to become a pawn in the hands of his mother. However, destiny put him on a counterattack path, fighting against his mother's machinations and history.
In order to consolidate the alliance between Datang and Mongolia, Wu Zetian ordered Li Chengze to go to Mobei to marry the daughter of the Mongolian Khan. This decision made Li Chengze extremely angry - he was destined to be unable to succumb to the power struggle of the Queen Mother and was destined to break this shackles. He secretly made up his mind that if he wanted to make peace, he would personally lead an expedition and declare war on the conspiracy between Tang Dynasty and Mongolia.
However, Li Chengze knew that everything was not that simple. Before leaving Chang'an, he had noticed an undercurrent in the palace. He didn't know who was plotting in the palace, and it seemed that every move was being monitored. Although his mother Wu Zetian has iron-blooded skills, she secretly has unfathomable plans for her son. Is it a political marriage or a game of family affection and power?
On the battlefield in Mobei, Li Chengze not only had to face the swords and guns of the powerful Mongolian enemies, but also challenged his mother's authority and destiny. The expectations of his parents and the intrigues of the palace gradually pushed him into a situation from which he could not turn back. On this counterattack path full of dangers and opportunities, can Li Chengze break through the shackles of fate, finally ascend to the throne of the Tang Dynasty and achieve his great achievements?