In the wake of Messiah CompleX, there are no X-Men and young mutants Rockslide, Blindfold and Dust are alone and directionless. Until the day Cyclops recruits them to hunt the new incarnation of the Brotherhood – and kill them. Joined by a pair of new recruits, the young X-Men learn a hard truth about the world post-Messiah CompleX: sometimes old allies make for deadly enemies.