Nobody'stalking.Butsomethinghasgoneterriblywrong.SevenresearchersaresealedinsideSolarium-3,ahugeself-sustainingsciencecomplex,toseeiflifecansurviveinacompletelyclosed,man-madeenvironment.Butafterafewweeks,somethinggoeswrong.Theirairinsideturnsfoulandwillquicklybecomefatal.Franticattemptstosolvetheproblemfail.Desperate,theybegProjectControltoreleasethem.Controlsaysno-butwon'tsaywhy.Thencomesthehorrifyingtruth.