On the terraformed planet Venus, time ticks toward all-out war between the colonial powers of Ishtar and Aphrodia. As motorcycle daredevil Ken Seno prepares to begin training for an elite Aphrodian antitank battlecycle unit, a series of devastating explosions rips through the bidden command complex. Simultaneously, Ishtar launches an airborne blitzkrieg that swiftly encircles the Aphrodian capital, Io, in a steel ring of nearly invincible supertanks. The war has only begun, and it may already be lost!