The story is about how Taeyeon lost her memory because of one incident that occurred of her rich family. She was the popular girl in her high school, but at the same time she’s the real . But one day when she wake up and didn’t remember anything about her past, she come back to her school, as the ‘new’ girl, with memories behind her. Will she remember back her past? Or will she just keep continuing to be the new kind girl?