Im Dajun became the leader of the runaway fam after being kicked out of his house. Yeonwoo, who 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, who's dream is to become good student. Meanwhile, Na Hwajin takes interest and watches over them...