劇情簡介
『特(te)殊使命(ming)』介(jie)紹:Fivemembersofthemountainbikeclub,Sangaja.Torideamountainbike,weheadtoChiaksanMountain,whereMin-joon’sUnclevillaislocated.AfterarrivingatChiaksanMountainandenjoyingtheride,strangethingsbegantohappentotheparty….Andsomethingunidentifiedchasingthem!AdesperatesurvivalgameforSangaja’spartytosurviveonChiaksanMountainbegins.