Park Traisey, a average girl. Lee Donghae of Super Junior is her only best friend. They've been friends since kindergarden. Their families are close friends. Since Super Junior debuted Traisey knew heechul and they became close friends. But she loves donghae. Does Donghae feel the same? What if she knew that Donghae doesn't love her the way he love donghae? What will happen if Traisey knew that Heechul loves her? Would she love Heechul?