Your parents sent you to live with your cousin for three months while they'll be gone. It's been a while since you've seen him, but you know that he is in a band now, so you'll live with the members of his group as well.
You are spiraled into the world of one of the world's most popular bands, BTS, once you joined your uncle in Korea. Your uncle, Bang Si-hyuk, forces the boys to be your friends, since you just moved to a new country. What crazy circumstances will take place?