She's Amber Liu, the newest sensation in Korea have grown up being watched by everyone

due to her mom's career, one of the most famous actress in the country

She's Krystal Jung aka Jung Soojung, the daughter of Amber Liu's manager who is also handling her mother's career

She's a striving fashion designer and Amber's childhood friend.  She's working as the tomboy's stylist

to claim experience and waiting for her scholarship in Paris to be accepted

The two are in a secret relationship however other's know that Amber is going out with 

Kim Ji Won, the famous child star who have grown up idolizing Amber's mother

Their kind of "relationship" was accepted by everyone in the country

Soojung could not even do or say anything about it as it was for Amber's rising career and Ji Won helps increase her popularity

 and then suddenly one day 

he comes into the picture as Amber's bodyguard and becomes Krystal's new friend