剧情：Na-miandSun-woo,whohavebeensufferingfrombullyingandschoolviolencethroughouttheirschooldays,attemptsuicidewhiletheirclassmatesgoonaschooltrip.Thestorymakesusanticipateunbearabletragedies,butthestoryofHailtoHellissomehowlivelyandunpredictable.Afterthesillyy
