Kim Namjoon, leader of the group BTS, has enjoyed his time in the spotlight. Now, he and the boys are on break and he's decided to check out what's been going on with his old schoolmates. One good friend comes to mind, Park Areum, and with that, good memories are re-created in the present as they meet up again and have fun with each other. Together, with the help of the Bangtan Boys, they realize the importance of feeling free.