The advancement of a newly aggressive species of insects leads the Jedi and the Galactic Alliance to the unknown regions and the border of the Chiss Empire to find out why the insects are about to start a war with the Chiss.  It turns out that when exposed to the air the insects breate for too long, anyone begins to join their hive mind.  So what caused this change in the insect hive, the introduction of an old character thought dead....