As a strange plague of madness continues to influence the young Jedi causing destruction across the galaxy, Luke and Ben Skywalker navigate a variety of dangers to chase down a masterless Sith apprentice; Han and Leia shuttle insane Jedi to safety on Coruscant; and the dark-side energy called the Abeloth threatens everything in its path from the depths of the Maw Cluster.
Countering growing mistrust in the wake of increasing cases of insanity among the Jedi, Han and Leia flee with three afflicted Jedi, while Luke travels to the homeworld of the Night Sister to learn why Jacen Solo turned to the dark side.
