The Empire's search for Rebel bases heats up with the arrival of a new Imperial Infiltrator Droid on several worlds including Atollon. Finding the damaged droid after its run-in with Krykna Spiders, Zeb (Steve Blum) brings it back with him to Chopper Base unaware just what it is. Initially confused, when the droid's programming eventually kicks in it falls to Zeb, Chopper, and AP-5 (Stephen Stanton) to stop the droid before it gives away their location to the Empire.
With the rest of the regulars on training maneuvers, the episode centers primarily on the Lasat and the droids who manage to turn defeat into a measure of victory by sending the droid back to the Empire just in time to detonate and take out a Star Destroyer. However, their risky gamble feeds into the plans of Grand Admiral Thrawn (Lars Mikkelsen) who can now drastically limit his search to the number of potential targets where the detonating droid may have came from. The Rebels may have won another small victory, but the Empire continues to inch closer to winning the war.