Defying her father, Barbara Gordon interviews with a Detective for a spot on the force. She later sneaks into the Justice Society to further her cause.
Killer Moth meets Tough Tony and his gang and offers his services of protection against the new gang of Caped Crusaders. Detective Gordon summons Batman to stop Killer Moth.
Batgirl and Robin are called to a hostage situation on a Gotham train. Batgirl quickly gets in over her head when she refuses the help of Robin. Meanwhile, Detective Gordon starts to suspect Barbara may be up to something.
Batgirl confronts Killer Moth and Firefly as they set the Gotham Police Station ablaze. Batgirl must follow the villains on a wild ride above the city.