Cathlyn was the only child in her family but due to her family tragedy, she had to move across the world to live with her aunt in Gangnam, Korea. Feeling lost, lonely, she doesn't understand Korean language and she couldn't get the hang of Korean culture.

But one day she meet this gorgeous Jeon Jungkook, star of Bangtansonyeodan High School. All she wanted is to find the right guy and fall in love with him but is loving him a mistake? Can she overcome this language barrier and finally have a conversation with him? What if he leaves or disappear one day?

How will Cathlyn cope?