BritishArmyradiationdrillsataremoteScottishbaseattractasubterranean,radioactiveentityofunknownnaturethatvanishes,leavingtwoseverelyradiation-burnedsoldiers...anda"bottomless"crackintheearth.Otherswhomeetthethinginthenightsufferlikewise,andwithincreasingseverity;itseemstobeableto"absorb"radiationfromanysource,growingbigger...