Kim Jongdae thinks being the second son is great. Moreover the second son of a family who owns the most shares in Shinha Group, one of the biggest group of companies in South Korea. But what Jongdae doesn't expect is that the time he should take over his hyung's position comes faster than he ever thought. One thing that Jongdae knows, having the CEO position is also following the life path his parents set for him, including his life partner.