Among the ashes of a dying world, an agent of the Commandant finds a letter. It reads: Burn before reading. Thus begins an unlikely correspondence between two rival agents hellbent on securing the best possible future for their warring factions. Now, what began as a taunt, a battlefield boast, grows into something more. Something epic. Something romantic. Something that could change the past and the future. Except the discovery of their bond would...

Jaime Reyes suddenly finds himself in possession of an ancient relic of alien biotechnology called the Scarab. When the Scarab chooses Jaime to be its symbiotic host, he's bestowed with an incredible suit of armor that's capable of extraordinary and unpredictable powers, forever changing his destiny as he becomes the superhero Blue Beetle.

Armed with secret knowledge, Juliette, now mayor of Silo 18 and her crew set out to rescue a world she hates but now understands better -- the world of the Silos with its rigid rules and terrible consequences for disobedience.