As shy, awkward and, frankly, nerdy as she is, 25 year old public official Na Young-ju has little hope of landing a boyfriend. But then a game of chance designates her as the member of her office staff who will take English courses—much to her horror. In the same class, she encounters show salesman Park Moon-su, who fancies himself a dashing ladies’ man. He’s studying English in part to communicate with his long-lost American sister, but mostly for the purpose of wielding exotic pick-up lines, and is soon deploying them at the less-than-impressed Cathy, the pretty Australian teaching the class. But while Park flirts with Cathy, it’s Young-ju who finds herself mooning after the handsome if self-absorbed fellow..