Criterion is the world's mightiest hero.His sidekicks just found his body.The Cadets are shattered by the death of their idol. Unable to maintain their brave and plucky facade, they are consumed by strife and jealousy.The only thing keeping them together is terror. Once protected from on high, they are now isolated and vulnerable. Can they cover up Criterion's death and avoid a global meltdown while his murderer is still on the loose? What hope do they have against an enemy that can kill anyone?Who killed Criterion? Who will die next?