1. In this uncanny installment of "After Xavier," Scott Summers betrays his leader --and father -- Mr. Sinister! Sinister is gone and his adopted children are left by their own. The Elite Mutant Force has been one of the fearest group of apocalypse forces for years, using their powers to control the major insults against the dark lord, but now the fall of the empire has begun. Which side will choose each prelate?
2. Scott Summers has already betrayed his "father", Mr. Sinister. Is he now plotting against his brother Alex? The breeding pens has thousands of mutants imprisoned, using the power of four embodied telepath mutants, Sinister managed to sedate them. One single mutant has taking relevance in this new order, Lorna Darne aka Polaris has been for years imprisoned, mentally unbalanced believes she Magneto´s daughter, now she is the only mutant that saw who is helping prisoners to scape from breeding pens. Sinistes has gone and his trace with him, Apocalypse propose to Cyclops be the new Horseman in the near future, but Havok has something to say and he won´t allow that his brother get this rank without a fight.
3. Cyclops vs. Havok! Jean Grey captured! The struggle for control of the breeding pens comes to a shocking climax! Focusing on Sinister's royal family, this title is fused to the nucleus of the saga! The last ally of Angel has caught so now he must to make a decision! Cyclops is revealed to be the traitor freeing prisoners from the pens, Jean Grey opens the pens.
4. The Factor X story arc concludes! Havok has ascended to High Prelate and he has orders to kill all survivors of the slave pens! When Jean and Scott band together to free the slave pens, will they discover their fatal attraction? The fallen Angel have to chose a side! Plus: Scott and Havok's familyfued erupts, leading to a deadly confrontation in X-Men Omega!