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.