Na-miandSun-woo,whohavebeensufferingfrombullyingandschoolviolencethroughouttheirschooldays,attemptsuicidewhiletheirclassmatesgoonaschooltrip.Thestorymakesusanticipateunbearabletragedies,butthestoryofHailtoHellissomehowlivelyandunpredictable.Afterthesillyyetridiculoussuicidefailure,thetwotrytotakerevengeonChae-rin,whob...