Carrying an unhealed wound in her heart since the tender age of 7, Chang Ari a young college student wanting to pursue her career in the secret wing of her country, South Korea. On their farewell day a prom night was held where Ari was asked to serve the chief guests but she denied as she had least interest in parties and was an introvert. So what happened suddenly that Ari was ready to do anything for the guests and what made her so excited to take up the responsibility of hospitality of the chief guests.