Introduction

In this story, actor Lee Seo Jin, Song Seung Heon, and Daniel Henney are brothers with same mom and different father. Seo Jin is the oldest followed by Seung Heon and then Daniel. Although they come from different dad they are still close to each other and live together. One day they found out that they're estranged mother had passed away and apparently they have 2 year old little brother named Song Minguk.