Shen Yunxi, an urban white-collar worker, triggers the punishment mechanism for reading too many pirated books. She travels to the book and becomes a vicious female supporting character. She needs to die naturally in the book before she can return to her original world. Therefore, Shen Yunxi thinks about how to "die well" every day. In order to be able to go back, he rescued Prince An, who was in a high position but not one of great importance. But why do so many people want to kill him? He is just a supporting character! But every time the assassination happened, he was present! Is it so difficult to just "die well"?