Im Dajun became the leader of the runaway fam after being kicked out of his house. Yeonwoo, whom he took in by chance, ends up in a knife assault in Yeonsu-gu, Incheon. The one who stopped Yeonwoo from getting his revenge against the chaebol chairman was Yoon Gamin, whose dream is to become a good student. Meanwhile, Na Hwajin takes interest and watches over them...