At the beginning of a new year at Xavier's School, Kitty Pride returns as its newest instructor; tensions between the mutants grow when Wolverine catches Cyclops and Emma Frost sharing the same bed.

The X-Men confront Ord; Kitty Pryde challenges Emma Frost; the team is divided.

Wolverine and Beast debate the "cure"; Cyclops visits Nick Fury.

The X-Men infiltrate Benetech; Ord invades the Xavier Institute.

The X-Men and Ord go to war.

The X-Men and Ord go to war, but the X-Men need help to defend against him.