Gabby and Karma have gone missing...and it's up to Daken and James Proudstar to track them down! Stained by their own sense of failures concerning their respective siblings -- Daken's guilt over not being able to protect Gabby from the Shadow King and Warpath's avoidance of the recently resurrected John Proudstar -- the two must face their own insecurities in order to find the young mutants! Plus, to commemorate the 40th anniversary of the New Mutants, a stellar cast of creators craft a mosaic love letter dedicated to the heroes who have become the beacon and hope of a new generation -- celebrating four decades' worth of the joys and tribulations of being young, brave and gifted in the world of X!