Agroupofdiverseindividualsaresuddenlytakenfromtheirhomesandflownviahelicoptertoafuturisticbombshelterinthedesert,one-thirdofamilebelowthesurfaceoftheEarth.There,theylearnthatanuclearholocaustistakingplaceandthatthey'vebeen"chosen"bycomputertosurviveintheshelterinordertocontinuethehumanrace.Theshelterisdesignedto..bbb