Breaking Bones

Bang Yongguk is a leader of a gang. Being a leader holds great responsibility, and he tried his best to do it  but  one day something happened. It seems he cannot do anything. He asked his father's help in return he'll do what he's father's wanted him to do. His father arranged a marriage between him and an unknown girl. It was settle, but things changes as Yongguk choose the sister of the unknown girl as his wife.