Yang Yoseob was adopted into Yoon family. The family has a son which is older six months than their adopted son called Yoon Dujun. The family lives like other happy one until Yoon Dujun messed up with his so-called dongsaeng and made the younger being chased by his adopt family- being homeless for months and his life ruins because of Yoon Dujun.     Years passing and Dujun makes up his mind to find his dongsaeng back. He wanted to apologiz