With S.W.O.R.D.'s orbital headquarters, the Peak, literally hanging in the balance, the X-Men race into deep space to find the source of the new threat that's emerged from the abyss.

But little do they suspect that lurking in the shadows of the Acanti Skunkworks, a conspiracy is waiting to entangle them...

And what's worse is that it's a conspiracy that has connections to the deaths of Rachel Grey's family!