Written by Geoff Johns, art and cover by Ethan van Sciver and Prentiss Rollins
When an outbreak of a deadly disease threatens the prison's population, only the Flash and Piper can quell both the epidemic and the ensuing riot. But what is the mysterious warden's role in all of this madness? Introducing several new Flash villains who cause major pain for the Scarlet Speedster in his regular title in the months to come!
* 1st appearance of Girder, a villain whose body is transfused with steel
* 1st appearance of Double Down, able to manipulate a cursed deck of cards fused to his skin
* 1st appearance of Murmur, a murderous surgeon who cut out his own tongue
* 1st appearance of Blacksmith, leader of the New Rogues
Prestige format one-shot.