Park Un-ha, a college student, dies tragically after being pushed from a skyscraper. Reborn as Rayliana McMillan, a doomed side character in a romance novel, she's engaged to a man who wants her dead. To survive, Rayliana cleverly manipulates the devilishly handsome Duke Noah, forging an unlikely alliance to outwit her murderous fiancé and change her destiny. Will her cunning plan work, or will she fall victim to the novel's predetermined fate? Let's watch to find out!