Horrors, both natural and supernatural, await Batman on the journey to savehis son! Gotham City has many dark secrets, and no one knows them better thanBruce—but with Damian trapped somewhere in its labyrinth of shadows, thedemons, forgotten skeletons, and memories of despair that line the city are moreof a threat than ever before. The clock is ticking, and Batman must interrogate thedemon Etrigan if he has any hope of rescuing Damian. Will Batman be able to savehis son before time runs out?