Lin Xi was persecuted by her "sister" Lin Wei, had her eyes dug out and pushed off a cliff. Before she died, she learned the truth about the tragic death of her family. After recovering her intelligence, she was unexpectedly reborn five years ago and was taken back to Yunding Manor by Lu Tingyuan. After rebirth, Lin Xi pretended to be a "little fool" while secretly plotting revenge. She saw through Lin Wei's plot to frame Lu Tingyuan and murder the Lin family, and counterattacked cleverly, revealing the identity of Lin Wei and Liu Yan's illegitimate daughter and their evil deeds, making them suffer the consequences. In the process, the relationship between Lin Xi and Lu Tingyuan gradually changed, from the initial fear and guarding to mutual dependence and temptation. She helped Lu Tingyuan improve his insomnia and fight cold poison, and Lu Tingyuan supported her many times. At the same time, the mystery of Lin Xi's life experience emerges. She is actually Wen Xi, the missing "Xiao Qi" of the Wen family of the military country. She was once hypnotized to assassinate Lu Tingyuan under the pseudonym "Su Nian". The two have had a dispute for a long time. After going through twists and turns such as kidnapping, family struggles, and memory retrieval, Lin Xi not only completed her revenge, but also solved her misunderstanding with Lu Tingyuan, recognized her relatives, and discovered that the two already had a son. In the end, the two held a wedding and started a happy life together.
