A few months have passed since The X-Men defeated Magneto and imprisoned him in the plastic chamber seemed impregnable. One day, a mutant by the name of Nightcrawler infiltrated the White House and trying to assassinate the president, setting off a chain reaction of measures against the surge of government. Meanwhile, Logan is trying to discover his past. A scientist named William Stryker discovered secrets Professor X's school and Cerebro, Magneto's partner, Mystique, is planning to break her leader out of prison. But when Professor X's school is attacked by Stryker'luc amount, Logan, Rogue, Iceman and a few are lucky to escape. Those who still meet in Boston, where they formed an uneasy alliance with Magneto to stop Stryker and rescue Professor X.