The Republic is in turmoil. Political unrest strikes the Core worlds, and rumors of Thrawn's return stoke fear and mistrust.
Leia Organa and Luke Skywalker have failed in their efforts to discover Thrawn's whereabouts. Ahsoka Tano crosses the galaxy, hoping to find the evil Grand Admiral before it is too late.
On the Outer Rim, the balance of power shifts as the Mandalorians reclaim Mandalore, and the Hutts gain the upper hand in the Syndicate War. A mysterious force emerges from the shadows, opening a door to a world between worlds. . .