Song Jinjin, who accidentally entered the book, is Lu Yanchuan's cannon fodder ex-wife, and she received a divorce agreement at the beginning. While staying in the Lu family temporarily during the divorce cooling-off period, she abandoned the vain and vicious traits of her original owner and used her fresh energy to gradually change the Lu family's negative view of herself. Not only did she become the Lu family's favorite, but she also slowly gained Lu Yanchuan's sincerity.