An ordinary aspiring web novel writer, Yoo Ji-kyung. Losing her fiancé in an accident, and even having her novel, filled with precious memories, plagiarized, she spent her days in despair before dying… or so she thought, but then she wakes up possessing the body of ‘Celestia,’ the villainess from her own romance fantasy novel. But wait… not as the protagonist, but in the body of the villainess ‘Celestia’! Seeing the content that the plagiarist had changed as they pleased, Yoo Ji-kyung, feeling an outrage as the original author, decides to create the ending she desired by using her ‘revision ability’ which allows her to modify the novel’s content to change the story’s progression… Will Ji-kyung be able to overcome the villains and the obstacles in the novel that the plagiarist has altered, and successfully create her desired happy ending?