The story tells the story of the unfavored prince Yan Beichen, who relied on his wisdom and forbearance to rise step by step in the turbulent palace, and finally ascended to the throne. He and the prime minister's daughter Shen Qingyi knew each other and fell in love, and worked hand in hand to face challenges from all sides. In the process, he experienced betrayal, conspiracy, love, and friendship, and finally became a qualified emperor. The plot revolves around the struggle for the throne, with multiple story lines running in parallel, showing the cruelty and complexity of the palace's power struggle.