There are two types of people in the world, those who lead and those who followed. Yoon Jeonghan was the former, never the latter. He liked being in control and he liked having authority which was exactly why he was good at his job. So when the company CEO suddenly asked him for a favour, he was all too eager to please. He just didn't expect that favour to be playing babysitter to his twenty-five year old son, Kim Mingyu.