A duo of female crime fighters, protégés of Batman, gets a new member while investigating a strange series of deaths caused by fear. This unaired pilot was reedited and the role of Dr. Harleen Quinzel recast to create the new pilot.
Parapelegic Batgirl and the daughter of Batman and Catwoman welcome a wayward teenage girl in a quest to stop a madman from destroying New Gotham City.
Slick, an evil metahuman who can turn from solid to liquid, is hired by Dr. Harleen Quinzel. When Jesse Reese is the next intended victim, Helena comes to his aid. Meanwhile, Barbara believes Dinah's story that she is just a runaway.
Helena and Jesse clash again when they both try to track down a serial killer who destroys metahumans. Meanwhile, Dinah ditches school when she learns from Helena there is a metahuman-only bar, and Barbara meets Wade's parents.
When Helena rescues an abandoned baby boy and brings him back to the Clocktower, Barbara and Dinah try to help. To their surprise, the baby is programmed to live his entire life in three days, and to kill the first person he attaches to.
Dinah's mother Carolyn comes to town to find her daughter, but the past comes back to haunt both women when the head of a crime family comes after them. Dinah must fight to save the mother she has never really known.
Helena goes undercover to help bring down a gang of costumed robbers terrorizing New Gotham. She goes after the big boss until her cover is blown, putting her in grave danger. Meanwhile, Barbara has to deal with her fear of intimacy.
A metahuman calling himself Darkstrike visits New Gotham to team up with the Birds. Helena warms to the enigmatic stranger when he explains his history with the Crawler, a nefarious criminal with the habit of murdering his abductees.
The Birds are troubled by a series of murders with the mark of Batgirl's nemesis, Lady Shiva, so Barbara dusts off her Batgirl costume. Meanwhile, Dinah tries to use her powers to get a boy at her school to notice her to ask her out.
When a hit is put on the life of a mob boss, the only person he trusts to protect him is his son Jesse. He turns to Helena for help, but when she learns that his father is the same man who killed Dinah's mother, her loyalties are tested.
When metahuman women are abducted, Helena's investigation leads her to uncover a secret club where the captive women are drugged and forced to fight each other in an arena. When Helena is also abducted, it is up to Dinah to rescue her.
When Helena's former classmates descend upon New Gotham for high school reunion, two of the alums are murdered. While Helena tries to find the killer, she fears that Jesse's investigation will lead him to learn about her true identity.
A robber gains the ability to turn people to clay. Helena goes to Arkham Asylum and interrogates her father's old enemy Clayface, who possesses the same abilities, and learns a shocking fact about her past.
Harley Quinn gains hypnotic powers. She then takes complete control of the clock tower and, after killing Wade, she broadcasts a hypnotic signal to every television set in New Gotham. Together, the Birds infiltrate the clock tower.
