"My heart says we've got something real Can I trust the way I feel? 'Cause my heart's been fooled before Am I just seeing what I want to see? Or is it true? Could you really be? " Kai, a student who wants to become a broadway actress and doctor, being a good bestfriend to Rain with same interest of hobbies and dreams. However, would it led to be a stable friendship if one of them concludes that they can never be "just friends"?