From the publisher:

The Bespin Gambit is a new expansion for Imperial Assault!

The effects of the Galactic Civil War can be felt on every planet of the Star Wars galaxy. On industrialized planets, the inhabitants may be forced to work in brutal conditions, slaves to the construction of the Imperial war machine. Other worlds may be torn by war as legions of Stormtroopers and massive assault walkers squelch any dissension against the Empire’s rule.

On other planets, however, the war is fought in secret, in the shadows of dark alleys, disused conference rooms, and ...