From high above the sweltering summer streets of Gotham, Batman planned to escort the GCPD as the dangerous metahuman super-villain known as E.M.P. was transferred from a holding cell to his permanent home at Blackgate Prison. E.M.P.’s electrical powers posed a threat, but the situation was in hand-until it wasn’t. Now every light in Gotham is out, the police are in disarray, and a broken, bleeding Batman must fight his way to Blackgate, block by block, dragging E.M.P. behind him