A nuclear explosion has ripped a small Montana town to shreds. Cyclops has no idea what his Extinction Team will find inside the 10-mile-wide geodesic dome that has risen up inside the blast zone, or who caused it. Psylocke and Magneto do, but they're not telling. Can the X-Men solve the mystery of Tabula Rasa - and survive the experience?
If they do, the worst of the worst galactic criminals are waiting for them, courtesy of an explosive jailbreak from S.W.O.R.D.'s orbiting prison. Will the c...