Makeup artist, Cho Yoon Seol, was involved in a car accident while saving the woman whom she worked for. When she opened her eyes, she was in the body the main character in a novel. For a moment, she was mesmerized by the beautiful female lead’s appearance, then she realized that she is in a novel known for torturous confinements. In the novel, the heroine Lila is continuously fought over by three men. She was an unfortunate character who ended up being imprisoned and turned into an idiot. “Merry bad endings are not my thing! If it’s a bad ending, it’s a bad ending, how could it it be merry!” To avoid the original route, Cho Yoon Seol, or rather, Lily, decides to make herself ugly with makeup with the use of a ‘secret pouch.’ Ten years later. Lily, who avoided the original route, is met with new surprising events. But will her ending be a merry bad ending? Or a happy ending?