With the original five X-Men lost in space, Emma Frost, Havok, Bastion and Miss Sinister hatch their devious plans -- and unleash Project: Mothervine! Meanwhile, Jimmy Hudson and Bloodstorm feel the wrath of Polaris -- once again a victim of the body-stealing Malice! And with his mutant charges missing, Magneto mobilizes against his enemies. His first target: Sebastian Shaw! But Magneto will soon come face-to-face with Havok -- with the fate of mutantkind...