As the X-Men embark on their inaugural world tour they must confront some unsettling truths about their mentor Professor Charles Xavier. Before founding his school for young mutants Xavier abandoned his only son David a mutant with uncontrollable reality-warping abilities. Now David has returned looking to exact revenge on the father who left him
- & hes willing to eradicate anyone who stands in his way. Will the X-Men be forced to kill Xaviers son to end his threat against the world? Following the tragedies of their world tour the X-Men seek the calming protection of Xaviers school
- but their suspicions of his methods only increase. Xaviers mental blocks on student Jean Greys psychic abilities continue to crumble & she grows increasingly unstable
- plagued by visions of a world engulfed in the flames of a fiery phoenix. When the X-Men finally meet Xaviers mysterious financial backers Jeans hallucinations become reality as the otherworldly Phoenix takes possession of the teenage telepath. Also included in this volume is a bonus tale of Gambit a Cajun street hustler who must use his mutant gifts to protect a homeless boy in great danger. This title collects Ultimate X-Men" numbered 13-20."