Jiyoon is in trouble! She has a secret.What is it? Jiyoon goes to high school,but no one cares about her.Sandeul saw Jiyoon walking around around alone...Is she a ghost? Sandeul tries to catch her and show her to everyone.Minhyonk has a crush on her since day one,but never spoke to her.What will he do? When Jihyun becomes jealous of Jiyoon's shine next to Sandeul,she gets revenge...What will happen to Jiyoon?