TIMESLIDING IN... TO PUT A STOP TO THE PHOENIX! Jean Grey's beloved, long-dead sister Sara is... alive and well among the stars?! On a mysterious planet called Greyhaven, the Grey sisters have had an impossible reunion... But while Jean is overjoyed, other forces at work in the universe are less than thrilled - especially the psychically-attuned ones: like the telepathic, time-traveling soldier known as CABLE. After all, what's an X-Men family reunion without at least one time-displaced stepchild?!