Xavier is working with the Juggernaut unconscious in the basement of his mansion, but something goes wrong and the evil brother awakes, putting Xavier now unconscious.

Meanwhile, the X-Men are at Iceman's 18th birthday party, with Zelda, Vera and Candy Southern, at Cafe-a-Go-Go. The X-Men still had not revealed his secret identity to the girls, and they hid their secret identities as the X-Men when the party was crashed by Satan's Saints, a motorcycle group. Through a series of clever antics, the young mutants managed to put an end to the fight while retaining their mutant abilities a secret. Candy was impressed with their cunning, and didn't suspect them.

When the X-Men come back home, they doesn't find Xavier, and go look for him in the basement. After that the Juggernaut appears and attacks them. Juggernaut defeat every X-Man, but suddenly a strange voice tells the Juggernaut to forget Xavier, calling itself Factor Three, an organization from Europe that wants his help. Then, Juggernaut goes to Europe and leaves the unconscious X-Men behind.