Captain Zane Cameron and the crews of the fighter starships, the Peacemaker and Cheyenne, are charged with the secret mission of destroying the incoming planet - code-named Animus. Their weapon of choice is Nanodevice Z98, which will, in theory, eat and excrete Animus as micro-particles.
But Animus has some secret weapons of its own which promise to give Z98 - and human civilization itself - a deadly case of indigestion.