A young girl, Clairo Song from Australia, travels to Seoul, South Korea as an exchange student to be closer where her mother grew up and went to a boring school, K.I.S.S Korea International School of Seoul. Once in Seoul, Clairo finds it hard to fit in but she befriends a girl named, ChoHee who guides and helps Clairo find her way around. Clairo's journey is one in a million, even if it took an argument with her father to get there but she moved to Seoul without her father and who is happier for it. While on a bus she notices a guy who seems out of place and Clairo begins to see them quite often on her endeavours. She soon suspects the mystery guy who has a rude facade. Will Clairo's curiosity get the better of her and fall right in the middle of unexpected love for Kol Yoon? Or will Clairo's resentment for Kol Yoon get in the way?