A mission on the coast of Africa is interrupted by a blinding light that wipes the X-Men from existence except Marvel Girl and Psylocke. They find themselves in the White Hot Room discussing alternate versions of themselves. Suddenly they are ripped from the room and land in England coming face to face with a Sentinel. In the Otherworld a temporal tsunami begin to wipe out other timelines. Saturnyne confronts Captain Britain telling him Earth 616 must be destroyed. With the help of his brother Jamie, they stall Saturnyne’s attempt to destroy Earth 616. Brian is given 48 hrs to fix the problem or Earth 616 will be destroyed.