Once taken her job because of her appearance, a confident and enthusiastic woman, Hyo-jung (Eugene) visits a mysterious yoga institute run by an ex-actress where her radically changed friend told her to go. At the intensive 7 day training course, a young yoga master, Nani (Cha Su-Yeon) explains to Hyo-jung and four other girls that only one person who masters the course most successfully can get the secret of ultimate and immortal
