As the date of the draft approaches, Li Wanyan, the daughter of Li Xiuyuan, the most powerful candidate for the queen, suddenly contracts smallpox, and her life hangs by a thread. The chess game that Li Xiuyuan had been planning for a long time came to a deadlock because of his daughter's illness. He had to prepare again. It was a dangerous move to steal a beam and replace it. In order to realize his grand ambition of saving the country, he decided to risk his life and fortune.