Thespacecraftkeepsitswaytothedepthsofthecoldspace.Flyinginthevicinityofanunfamiliarplanet,thereisanaccidentonboard,andtheshipcrashes.Thechosenrescuecapsulefallshelplesslythroughtherarefiedatmosphericlayerstothesurfaceofoneofthesatellitesoftheplanet.
Navigateyourflyingsaucerthroughthedangerousmazefilledwithdeadlytraps.