Qi Shiyu transmigrates into a book. She thinks she can finally become the heroine and have men at her beck and call, only to discover she's just a pitiful supporting character. Even worse, she doesn't even get a proper title, barely qualifying as one of the nameless background extras. After accepting reality, she starts helping the hero and heroine overcome one obstacle after another and find their way to each other. In the end, she meets her own leading man...