Genre: Comedy, Drama, Music
Tae Kyung (Jang Geun Suk), Jeremy (F.T. Island's Lee Hong Ki), and Shin Woo (C.N. Blue's Jung Young Hwa) are in search of a new member for their idol group. However at the last minute, the member suffers an injury and his twin sister, Mi Nyu (Park Shin Hye), steps in to disguise as him.