Hyun and Soo-Won are two best friends who love each other dearly. While they have a strong bond of friendship, they also have different beliefs and values, which keeps them from being together in a romantic relationship. Hyun believes in the teachings of one faith, while Soo-Won subscribes to another. Despite these differences, they are able to respect each other's beliefs and maintain their strong friendship. However, their different faiths keep them from being together as romantic partners, creating a bittersweet situation for both of them.