Kim Junmyeon, is a smart architect who will never let go of a good chance. Yoo Jiwon, is a selfish CEO who will never let go of her company. Despite the hate they feel for one another, these two people have to work together because they made a win-win agreement, but who will win at the end?

I've been dating my friend's older sister for almost 2 months. Funny how I've never visited her workplace, an entertainment center with a variety of activities, so my friend says let's go. I'm not complaining about getting in for free, but it's hard to ignore her co-worker and how good-looking he is. I shouldn't be comparing myself to him, but...