简介：Ayoungwoman,Zoey,findsherselfinahospitalroominanundergroundfalloutshelter.Thedoctor,whorunstheshelter,explainsthataninfectionhaskilledtheentirepopulationaboveground.Theonlypeopleleftareeitherafewlonesurvivorslikeherself,andtheinfected...thelivingdead.Theonlywayofcuringtheinfection,sheistold,isbysurgicallyremovingtheaffectedarea.Thedoctorisassistedbyanursewhohasseeminglygonecompletelyinsane.Together,they"treat"asteadystreamofsurvivors.ThedoctorwantsZoeytotoreplacetheunstablenurseandbecomehisnewassistant.Zoeyisveryhesitant,butthedoctoriswillingtodowhateverittakestosurvive,nomatterhowquestionableorterribletheacts.ButafterapatientofferstotradeplaceswithZoeyanddo"anything"thedoctorwants,Zoeyrealizesthatifshedoesn'tdotheseterriblethings,someoneelsewilldothesethingstoher.Zoeyhastodecidewhatsheiswillingtodotosurvive,and...…