Nightwing. Volume 2, Get Grayson

"The Bat-Family realizes Oracle's system has been hacked! But who is powerful enough to break into Oracle's own super-secure network? Not only that, this mysterious Anti-Oracle is taking advantage of Gotham City's state of fear and has bombarded the city with falsities. With the Bat-Team's comms unreliable, Nightwing heads to Gotham to find the source of Anti-Oracle's transmissions. When Batgirl and Nightwing accidentally get hit with something i...