It tells the story of Yoon Tae-o (Minho), Han Song-yi (Park So-dam), Seo Ji-an (Kim Min-jae), Choi Hoon (Lee Yi-kyung), Oh Ga-rin (Cho Hye-jung), and Ryu Se-hyun (Jung Eugene) who use Yoon Tae-o’s rooftop as a hideout with their own reasons, experiencing the gradual growth of life in their own ways....