AmericansandRussiansarestrandedaboardadamagedspacestation.Arescuecrewissentfromearth,includingCarpenter(MichaelDudikoff)andJackMcKendrick(HannesJaenicke).Whenattemptingtoreturntoearth,theastronautsfindthatthereentrycodeshavebeenchanged.Whiletheastronautsarehelplessandstranded,Jeffries(Ice-T)pursuesaRussianmanwhoknowsthenewcodes.