Exo's members are about to get a question answered. And to get that answer, they met Sarang. A young 17 year old filipino k-pop star who has a heart sickness. She and her groupies have just been accepted to SM Entertainment. Fun thing is that SM Entertainment started on pairing groups that year. Triple A and EXO were partnered. But Sarang's heart is hard and full of fear. Her groupmates ask EXO's members to help her in every way they can. But will they be able help her in time?