This is a story about a tough and like-to-fight girl, Kim Hyuna. She's the heir of The Platinum and Co. A famous company in business world as they topped the world's 5 star best hotel. Their hotel are scattered around the world and famous for its service. This naughty and rebellious girl have to replace his father, someday. 

As more people knows who'll be the next generation of The Platinum and Co. , many people wanna kidnap her for money, and, obviously , she's in danger. 

To make sure that this little (?!) girl is save, her father hired a Butler.

He's a Butler from a famous butler family. 

He has a cute face. Nice attitude, and ...

one of the most popular playboy.

He's Lee Taemin.

Of course, both their lives are not the same anymore.

Lee Taemin, from popular playboy ,now he struggle to become a S-Ranked Butler.

Kim Hyuna, from the most dangerous girl in school,become a sweet little girl in front of Choi Jonghun,Taemin's Butler teacher.

HeHe might have thought he is a butler. 

She might have thought that he is her butler.

But what if he is more than that? 

What if the one in danger is not her?