After Wei Tong's father and mother died on the battlefield, they were treated harshly by their uncle, and were later sent to the palace to become the crown princess of the frail prince. After entering the palace, he seemed ignorant and cowardly, but he impressed the prince with his pure heart. In the deep palace, disputes over the inheritance of the heir continued one after another. Concubine Rong, the second prince and others were pressing on her step by step, seeing her as a pawn and a scourge. However, the prince protected her behind him time and time again, and the two of them tore apart the conspiracy in the treacherous palace battles. In order to protect her, the prince resisted the imperial power, exposed the truth about the murder of the entire Lin family, and avenged her.