You are a country girl that have never go to Seoul before until during your school break you went to Seoul to visit your brother Chen, who is one of the member of Exo-K, a new group under SME. You have always dream to perform with your brother at least once on stage since both you and your brother have an amazing talent in singing, but due to your condition you still haven't fulfill your wish yet and since then you never sing agin. Alongside on your stay in Seoul, you have met new friends which are  your brother group members,  Exo-M and Exo-K. You went through lots of obstacles but you will never overcome it without the help of the Exo members.So, will you continue your dream with the help of all Exo members?