Lu Chen transmigrated into a novel, becoming a matrilocal son-in-law who gets into trouble on his wedding night. His wife, Su Wantang, firmly believes she transmigrated from 2025. Lu Chen knows she is a character in the book, but never points it out. Together, they join forces to rewrite their fate, and the story completely spirals out of control. Until she discovers that her modern memories are written in the novel he read. Is she a time traveler, or a character in the book with complete memories? Lu Chen falls in love with her, and they no longer let the book choose endings for them.