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.
A second Jean drops at the mansion's doorstep, leading Scott to wonder which one is his wife. Meanwhile, Mister Sinister reveals his presence, and how he's been manipulating events behind the scenes.... manipulations that bring him into conflict one more with the X-Men.—Gislef
