When the Bat-Family receives misleading information and incorrect directions from Oracle--ones Barbara Gordon didn't send herself--they realize Oracle's system has been hacked! With the Bat-Team's comms unreliable, Nightwing heads to Gotham to find the source of Anti-Oracle's transmissions. Batgirl and Nightwing accidentally get hit with something that reveals their deepest fears...and it involves each other. Collecting Nightwing #84-88 and the Nightwing 2021 Annual!