Yoon Hyung, a young master of a wealthy family, has a younger brother, but one day when he turns 15, he father brings home two sick children of his ex-lover because their mother has passed away.

His father told him to take care of them and treat them like his younger brothers.

He objected and then met a child, cha Si Hyun 1 boy about 6 years old

But he ignored them and turned a blind eye. Why did his father care about these two children instead of his sick mother?

One day, one of the two children (you) fell from the tree.

"HEY!" run to help