As Leia must deal with a new threat to the fragile alliance that binds the New Republic, Lando becomes a prisoner aboard a runaway spacecraft of unknown origin. The ship is following an unstoppable path to its homeworld, destroyed by Imperial forces. Luke continues his quest to learn more about his mother among the Fallanassi, where his every belief about the use of the Force is about to be challenged.

It is a time of tranquility for the New Republic. But the peace is short-lived. Luke must journey to his mother's homeworld in a desperate and dangerous quest to find her people. An adventurous Lando must seize a mysterious spacecraft that has weapons of enormous destructive power. And Leia, a living symbol of the New Republic's triumph, must face down a ruthless leader of the Duskhan League, an arrogant Yevetha who seems bent on a genocidal war.

A trade summit on Corellia brings Han Solo back to the home planet he left many years before. Arriving on the distant planet with Leia, their children, and Chewbacca, Han finds Corellia overrun with agents of the New Republic Intelligence and finds himself part of a deceptive plan whose aim not even he understands.

When a loyalist ship approaching Selonia is blasted out of space, Han Solo quickly realizes that rebel forces are turning planetary repulsors into weapons of immense destruction. Meanwhile, Luke Skywalker and Lando Calrissian manage to discover the terrifying secret of Centerpoint station. It is the infamous Starbuster itself, and its next programmed nova, hard-wired in, is set to annihilate a chosen star, its inhabited worlds, and millions of innocent lives.

Imprisoned on the planet Corellia, Han Solo finds himself at the mercy of his evil cousin, Thracken Sal-Solo. Thracken plans to restore the Imperial system and seize total power no matter what the cost. Han has one chance to stop him. But to do so he must turn his back on his human cousin and join forces with a female alien.