Shanna Yun, abandon by her birth parents when she was 8, was left to face the world alone, until she came across a small coffee shop and met Cha Soo Min... Adopted by new parents Yun Dung Sun and Eun Mi, she was still cold and heartless due to her pass. She excelled in school, and admired by many for her looks, and talent.

Lee Sungyeol, just a typical guy. Family oriented, talented, smart, goofy, cute, reckless, adventurous, and witty. His mother passed when he was 12 and his father, trying to rekindle the flame with an old highschool friend. He's going through hard times, but he manages to keep everyone around him smiling and happy, even if he isn't. As the Family company continues to grow Sungyeol faces new obstacles and questions if he is making the right decisions. He left to stay with his aunt Yoon Yoo Sun. Not long after he decided, to join the music industry and gave up his work on acting. He soon debuted with a group called Infinte. After rumors of a startling event in Japan, he and the other members were sent to back to Korea, to attend Highschool.