Soo Kyung and Chin Sun are best friends but in a different way. Soo Kyung and Chin Sun were just 2 normal girls in High School until the time that Chin Sun had to go to Beijing for a year. Soo Kyung met 3 girls while Sun was gone. Kyung Hu, Kim Jan Di and Taeskura Hitomi. While Sun was gone,the 4 girls discovered their talent and made a band making Sun jealous when she got back home. Kyung discovered Sun also had a talent in singing and added her to the group.