In the book, the only daughter of the Marquis Song Wan is doted on by her parents. She loves the male protagonist who will not marry him unless she is him. She is forced by the heroine's father to marry the vicious male lead. The heroine wears a book and is bound to a rescue system. Gu Jincheng's mother dies in childbirth and is rejected by his father. He is saved by the general's uncle and is safe. When he was 16 years old, his uncle was falsely accused of collaborating with the enemy and treason, and the whole family was executed. Gu Jincheng was rescued and became the sword in the emperor's hand. He became the king of the opposite sex along the way. In the end, he collaborated with the enemy and treason, and ended his life alone and widowed. In order to return to modern times, Gu Jincheng must be prevented from going dark. Rescued again and again. In order to save him, he went through all kinds of hardships to find the poisonous doctor fairy. The two developed feelings while getting along. Finally, he learned the truth. In order to avenge his uncle, he colluded with the enemy, dispersed the power of the court, and completely wanted to change the world's surname. Song Wan did not want the world to be in chaos, so she tried to dissuade Gu Jincheng, and finally sacrificed her life to save Gu Jincheng. Gu Jincheng put aside his hatred, fought off foreign enemies, assisted the young fifth prince in succeeding to the throne, became the regent, and devoted himself to finding a way to bring the dead back to life.
