In the future, Earth's appetite for resources has become a major motivator
for deep space exploration. Immense, privately-owned and operated mining
ships called "planetcrackers" orbit planets and use sophisticated equipment
to carve out entire city-sized chunks of rock, and reduce them to component
elements and raw ore.
Communications with one of these planetcrackers, the USG Nishimura, have
ceased while the ship is engaged in deep space mining operations.
The company's top engineer, Isaac Clarke, is sent to discover the problem
and fix it. Once onboard the vessel, Clarke discovers that a terrifying
alien presence has taken over the ship, and has horribly killed the crew.
Weaponless and terrified, this lone engineer is burdened with much more than
simple survival-- he holds the fate of all mankind in his hands.