Krystal Jung is an ordinary teenage girl. She stayed at LA since she was a baby until now. She had a great life at LA. But, all that changed when her father announced that they will be moving to Korea because Mr. Jung has been transfered to the company's branch in Seoul. Krystal didn't agree but she had to follow her father's decision. She was very sad about leaving her friends in LA. In Korea, she goes to Myeongdong Highschool and made the biggest mistake ever! She messed up the school's popular, snobbish guy's life. or what the students call him, Mr. Arrogant. How will Krystal's life in Korea be?