After being severally bullied in middle school, Lee Jieun moved out of South Korea, changed her name and went away to live in New York City with some of her relatives. But when she receives a call from South Korean hospital telling her that her mother has been diagnosed with terminal cancer, Isabelle Ulani moves back to Korea to take care of her mother and go back to high school where she meets Jeon Jungkook: smart, sexy, captain of the varsity baseball team, bad, and super rich. When Jungkook meets Isabelle, he makes a bet with the baseball team to see who could get the new girl to bed first, but his plan backfires when Isabelle turns out to be his biggest weakness.