In a world where mutants (evolved super-powered humans) exist and are discriminated against, two groups form for an inevitable clash: the supremacist Brotherhood, and the pacifist X-Men.
As a child, Eric Lenchner was held captive by the Nazis. Years after the war we see Eric tracking down a certain Nazi general, Sebastian Shaw. Along the way he meets his future Brotherhood members, and dispatches of Shaw once and for all…