本片讲述一群为了成为消失的王室宝物的主人，而聚集在海上的义贼与海盗们的壮阔冒险故事。2014的《海盗》是本片的前作，但人物及故事皆为全新设定。
Na-miandSun-woo,whohavebeensufferingfrombullyingandschoolviolencethroughouttheirschooldays,attemptsuicidewhiletheirclassmatesgoonaschooltrip.Thestorymakesusanticipateunbearabletragedies,butthestoryofHailtoHellissomehowlivelyandunpredictable.Afterthesillyyetridiculoussuicidefailure,thetwotrytotakerevengeonChae-rin,whobulliedthemmostandnowliveshappilyinSeoul.However,theirplansgoawry.Ridiculously,Chae-rin,theworstbullyever,hasfoundreligionandhasturnedintoagenuinelygoodperson.Whatshouldtheydonow?HailtoHellisafascinatingadventurestoryandanironicmoraldramacreatedbyastorytellerwhocombinesoutlandishplanningandimagination.
