Jung Soojung or Krystal is a girl which half Korean and American. She was born and live in San Francisco, California. for a long time.
Since she is 17 years old already, her parents decided to bring her back to her hometown, South Korea.
There, she will live with her older sister, Jessica Jung. which already back to Korea first than her.

And, she will meet a handsome guy named Kim Myungsoo or LKIM. his good-looking will melt every girls. and yeah, he's not an easy going guy. he such a cold and rude guy.

What will happen next?