YoorasuffersfromnightmareseverynightOnedayshemeetsherhighschoolfriendsJintaeisapromisingartist,Inseokisachaebolandformerthug,HyejinlikesInseok,andSeongho,whousedtobeInseok'serrandboy,finallymeetupYooraasksherfriendsiftheyremembertheclassmatethatkilledherselfEveryoneisflusteredandclaimstheydon't
　　Yooragoestothebathroom,butpassesoutafterseeingherselfinthemirrorEveryonegetsinInseok'scartosendYoorahome,buttheygetintoanaccidentandallbecomeunconsciousWhentheywakeup,theyareatafamiliarschoolthat'sclosedItwastheschooltheywenttothathascloseddown
　　WhydidtheyendupthereYooraandherfriendstrembleinfearfortheirlives