The X-Men. Peace protectors. Jean Grey is one the most loved X-Men. Jean Grey is a beloved X-Men. But Jean becomes vulnerable to an ancient and dark power when Jean fails on a mission. It has decimated everything that it came in contact with up to her. This power has become unstable and she unleashes it with anger and destruction. The world is at risk because this power has begun to consume her. Now, the X-Men must face a crucial truth. They have to save the world or the friend that threatens it.