While the X-Men are at a summer camp, learning survival training, Mystique releases Cain Marko - the unstoppable Juggernaut - in hopes of getting his help in obtaining Xavier's mutant location system.

Rogue and Wolverine duck a squad of soldiers when the nationwide alert goes out against mutants, while Storm and Beast go into a meeting of Congress to defend themselves. Meanwhile Juggernaut goes on a rampage and the X-Men feel obliged to take him down.

Mystique escapes from imprisonment while the X-Men repair and rebuild the Institute. Disguised as Alex, she lures Scott into a trap - leaving him stranded in the middle of the Mexican desert without his glasses.

The Brotherhood cause mishaps so they can stop them and appear to be heroes.