Lee Ha Na (you) , is a quite, innocent and serious face girl. She ran away from hospital secretly on night. Because she still sick , she really can't walk normally. Not long after that, her eyes can't see anything , her view look black. The next day, she open her eyes. But, she is not at the hospital, but at the room. Messy and medium size room with two bunk bed . She feel uneasy. She look at the wall. There was a poster written " Infinite ". She curious how she can be in the room and who " Infinite " ?