With Gotham Girl missing, it will take Batman and the Flash to find where she s gone! And to find out if she plays a role in the horrifying events at Sanctuary. With so much already lost will Batman and Flash lose each other too? They ll have to face off against a demon from the past while confronting their inner demons and neither of the same ever again! And Batman and the Flash aren t the only ones who have lost sidekicks after the death of his former sidekick, Arsenal, Green Arrow is forced to take a hard look at himself and his methods. Collects Batman #64-65, The Flash #64-65, Green Arrow #45, #48-50, and The Flash Annual (Rebirth) #2!