Jang Geun Suk is a college Student he is usually seen in the library reading his books and does not talks to anyone because he tries to hide himself from letting others knows that he is a singer because he wanted to have a normal school life. Park Shin Hae is a fan of Jang Geun Suk not because of his looks but because of his voice. One day Park Shin Hye went to library for her research and accidentally heard Jang Geun Suk speaking on his phone and she recognized her idol's voice but Jang Geun Suk told her that he was not her idol but a shadow of his identical twin but Park Shin Hye does not believe him. As days passed by the two became friends and Jang Geun Suk is still hiding the fact that he was Park Shin Hye's idol and had fallen in love for her but also wants her not to know who he really is, in the other hand Lee Hong Ki , Shin Hye's best friend had known that he had no twin and tries to reveal that to his  best friend . Will he able to hide his identity in the apple of his eyes or be revealed and be hated?