Na-miandSun-woo,whohavebeensufferingfrombullyingandschoolviolencethroughouttheirschooldays,attemptwhiletheirclassmatesgoonaschooltrip. However, their plans goawry.Ridiculously,Chae-rin,theworstbullyever,hasfoundreligionandhasturnedintoagenuinelygoodperson.Whatshouldtheydonow?HailtoHellisafascinatingadventurestoryandanironicmoraldramacreatedbyastorytellerwhocombinesoutlandishplanningandimagination.