The Complicit Prisoner

It is the day after Terran Syke escaped from Ord Mantell. A retired admiral of the Imperial Navy, Admiral von Voren, supposedly knows the true location of Syke's master.

Syke journeys to Dosunn, a grassland planet once host to a variety of imperial operations, but since the fall of the Empire it has become the eye in a New Republic watchtower over the Outer Rim. What happened to von Voren during the Jedi expeditions to the planet?