Following visions from recent dreams, Professor Xavier sends his X-Men on a mission to the Eagle One Space-Station, putting them in the middle of an interstellar conflict.

The X-Men barely survive their return trip from space, Jean Grey discovering herself changed by the experience. Professor Xavier's dark half is given form, and proceeds to attack his students.

Professor Xavier's claims of the capture of his alien soulmate Lilandra by Juggernaut and Black Tom Cassidy are met with skepticism.