a group of teenagers(Jiwoo,Jungkook,Taehyung and Hyunjin) studying in Busan are at risk of exclusion because of their bad behaviour. In order to prevent be excluded They have to keep on the school the only teacher that still believe in them, but for that they need to make her fall in love. They ask for help Chuu, a girl with a big heart, soon she becomes a part of their company, this union helps students understand themselves, find love and their own way in life.