Peril stalked the corridors of the lunar habitat. Fear was its companion. The killer, a woman, fed on that fear. No one in the lunar station was safe from her wrath, not even the fresh, young team that had just arrived from Earth to erect the first lunar space elevator. When completed, the space elevator was destined to be one of the great engineering projects of all time. The unreeling of the space cable had just begun, when the killer struck a vengeful blow.

Now, with a catastrophic solar flare flashing overhead, the race was on.

Can Chief Clay Flynn and Senior Tech Lou Santini stop her before it was too late? Can they save the lives of the men, women, and children of the Lunar Station and its life-sustaining resources from total annihilation?