When the elderly male protagonist underwent a bone marrow transplant, he found out that his son was not his biological son. Later, he learned that his housekeeper was actually the white moonlight of his wife when she was young. The son was born to his wife and the housekeeper, and they each named the son after one character. In order to obtain the entire Gu family group, the housekeeper and his wife killed the male protagonist. As a result, the male protagonist was unexpectedly reborn on the day before his wedding twenty years ago.
After being reborn, the male protagonist swears to never be a simp again in his life and to cherish the person in front of him. However, his fiancée still thinks that the male protagonist is still her most loyal simp. First, she goes to a hotel with the butler and refuses to repent. She also shouts in front of the male protagonist and threatens the next day's wedding. Then, she confesses her love to Moonlight at the wedding, but is exposed by the male protagonist on the spot. The wedding falls through, and the Jiang family is in crisis and on the verge of bankruptcy due to public opinion turmoil.
