This article belongs to the fictional dynasty and tells the story of the Yan Dynasty. The Supreme Emperor was mean and ungrateful, maintained the government, and slaughtered all loyal people. In order to protect his loyal minister Guo Zuo, the idle prince Qin Xuran bloodbathed the court and forced his father to abdicate. Unexpectedly, after ascending to the throne, he encountered obstacles everywhere. His eldest son Qin Jinyong disappeared, his beloved wife died in childbirth, and his younger son Qin Jinxun changed his name to Chu Xun and lived with others. His beloved daughter Qin Jinchen misunderstood him deeply. He worked hard to maintain the balance of the court in the turbulent Qiandu City. After the Supreme Emperor ordered to reduce the vassalage, the youngest son of King Jian lived in seclusion with the eldest prince and his beloved daughter in Wangcheng under the pseudonym Liu Qiancen. The youngest son of King Jian, Xiao Qilan, had no choice but to escape. He sent his daughter to disguise himself as a woman and went to the Western Region to assist his eldest brother King Jian, while he took the eldest prince who was poisoned by a strange poison to seek medical advice. After the reunion, his senior brother, who was renamed Chu Qingzhong, was trying to save Xiao Zhaoxun whose life or death was unknown. Chu Qingzhong hoped that she would live well and if she had the spare time, he would help find his brother Qin Xun to protect him. In order to find Qin Jinxun and prevent the imperial court from attacking the Xiao family of King Jian, Xiao Zhaoyuan followed the trusted King Jian back to Beijing to report on his duties without hesitation...