"Rose! The man who asked you out is THE kim Namjoon!" Rose, an aspiring young business woman. Decides to take a break as her startup starts to crumble. Indulgently, she took a sum of her savings and made an unplanned trip to Seoul, South Korea where she accidentally met the leader of biggest boy group in the world; Kim Namjoon. Neither knowing who he is, nor what he does, she gets herself into a very fun adventure. However, with the very limited time she had, will this tourist just forget about the memories she made, or will it mark her for her whole life?