A typical college romance story.

Song Ariel is a bright, pretty 19 year old girl who can't resist falling into the charms of the handsome professor. However there is one tinsy problem; he has a rumoured girlfriend. Despite coming from a wealthy family, she has no grace and elegance and treats others on the same level. She was always surrounded by girls who had troubles with relationships and they asked for advices. Even though she keeps giving advice to people, her very own first relationship didn't actually ended well, leaving her in a state of confusion. For several years, it bothered her and she finally managed to move on and love again.

Jeon Jung-kook, a 19 year old who had also given up on love. All these years, he had experienced the bitter taste of betrayal and lies. Despite being a popular guy, he loathes every girl, reminding him as a fragment of his tragic past. Little does he know that the encounter with Ariel will guide him to the light and paint his world into a riot of vibrant color and liveliness.

As time drags on, will he be able to change his way of views and let go of his traumatic past?