As Genosha prepares to join the UN, select members of the team head to the island nation to be honorees. Back at the mansion, a behind-the-scenes press event risks airing the X-Men's dirty laundry.
Cyclops focuses the X-Men on finding Bolivar Trask. However, when the team locates the Sentinel inventor, they realize that they all have been played by a mastermind.
When a visitor arrives at the mansion with a dangerous secret that threatens Cyclops and Jean's relationship, the team is propelled into a tragic confrontation with an immortal mad scientist.
On her birthday, a nostalgic Jubilee is forced to relive the X-Men's greatest adventures when an entertainment system transports her into a 16-bit video game.