Dark secrets in the Reign of X! Quentin Quire returns to Krakoa to find a nightmare creature wreaking havoc on his teammates. The only way to battle it is on its own turf. Sweet dreams, Quentin! But what is X-Force hiding? Elsewhere, a local prison riot quickly turns into an escape - and the only ones who can stop it are…a bunch of high schoolers?! The Children of the Atom are on the case! The New Mutants have begun a wild hunt - but someone is looking for friends in all the wrong places, someone else is missing without a trace…and plans that have long been in motion are beginning to unfurl! Meanwhile, Cable's future is coming back to haunt him…and he isn't ready. Yet.
Collects X-Force (2019) #18-19, Children of the Atom (2021) #02, New Mutants (2019) #16-17, Cable (2020) #09.
— Description from Comic Vine community (comicvine.gamespot.com).
