Most of you are familiar with the story of Cinderella. What would happen, let's say, if YOU were Cinderella. Meet Bella. A sweet, smart and beautiful young lady. However, she is also very innocent, making her gullible to lies. When Bella decides to study in Paris, her dreams are crushed as she missed her flight after its transit in Korea. She is now stuck in Seoul, with absolutely no clue on what to do. Here she meets the EXO members. They have a hard time figuring out who she is and what she wants, because Bella doesn't speak Korean. One member, however, is determined to help her- EXO Kai. But when Bella's friends come to the rescue, what will become of dear Kai?