"When the time comes to choose your target, be sure to pick the right one. Because you will only get one shot . . ." The Shadow War is long over, and the Interstellar Alliance—presided over by former Babylon 5 commander John Sheridan—is about to celebrate the fifth anniversary of peace among its united member worlds. But a planet, annihilated by an unspeakable weapon appears in chilling dreams. And on that world there lies a terrifying promise of Armageddon. For the Drakh, once servants of the bloodthirsty Shadows, are following in the footsteps of their vanquished masters—preparing to launch a devastating interstellar war. Their first target is Earth. This threat will draw Sheridan back to Babylon 5—and into an uneasy partnership with a beautiful and deadly survivor of Shadow genocide. In the desperate race to warn Earth, he must face an apocalyptic showdown with the ultimate war machine—one capable of killing an entire world . . .