In the wake of HOUSE OF X and POWERS OF X, a new era has begun: the Dawn of X! When an island full of unspeakable horrors appears on the horizon, the X-Men have their work cut out keeping Krakoa safe! In a perfect world, there would be no need for an X-Force — but we're not there yet! As the Marauders sail on, the real cutthroats are back home… Betsy Braddock, the new Captain Britain, leads her team to the one place that has always been Excalibur's seat of power: the Lighthouse! Fallen Angels Cable and X-23 join Kwannon for a personal mission that could jeopardize all mutantkind. And the spacefaring New Mutants are united with the Starjammers!