Kim Taehyung is a 27-year-old youthful CEO with a rage, cold and grumpy attitude and somehow because of this attitude, he fires his secretary and later starts to regret it cause he needs someone to look after his schedule. So he starts to search for a Secretary and when he found.... His life was going to start a u-turn just because of that boy who looks like a bunny. " Stop it, Secretary Jeon! " " Yes, Mr. Kim?"