Issue Batgirl 46
Subtitle The Lost Girls
Date January 2004
Writer(s) Dylan Horrocks
Artist(s) Rick Leonardi, Jesse Delperdang
storyline Batgirl broke up a drug deal where a girl was attacking the dealer because she didn't have the cash to buy it. She returned to the Clocktower to get some information from Oracle. After getting a lead, she found out that she and Nightwing had broken up. She went after the all girl gang who'd been distributing the "soul." While engaging them, she ingested some of the dope. While tripping, Oracle could not get her to respond. No one but Nightwing was available, so she sent him for her. When he arrived, she attacked him. 
Issue Batgirl 47
Subtitle The Doll House
Date February 2004
Writer(s) Dylan Horrocks
Artist(s) Rick Leonardi, Jesse Delperdang
storyline A fashion model was found dead; six others were missing. Batman caught up with Batgirl and told her he'd take the case - Bruce Wayne had dated the latest victim at one point. Batman voiced his concerns over Batgirl to Oracle. She thought he was pushing her too hard. After seeing a man she recognized from her childhood on TV discussing the case, Batgirl paid him a visit. He'd been the man who'd given Cain the idea of raising a child only on body language. He gave her the "Doll Man's" psychological profile and what he knew about the killer. She found the man and the six other girls (drugged, but unharmed). The dead girl had tried to escape and fell victim to his booby traps.
Issue Batgirl 48
Subtitle Human Resources
Date March 2004
Writer(s) Dylan Horrocks
Artist(s) Jean-Jacques Dzialowski, Drew Geraci
storyline Batgirl was quick to the scene when a baby was snatched from it's mother. She caught up to the car, but took a bullet. Batman spoke with Oracle about her, he was beginning to believe she was right about the way he'd treated her. Batgirl continued her silence towards them. She caught up with the bad guys - it was a glorified slavery ring. After she confronted them, she learned Batman and Robin were aboard their get-away ship. She'd jeopardized the mission. Back on dry land, Batman ordered her to stand down as Batgirl.
Issue Batgirl 49
Subtitle Down Among the Dead Men
Date April 2004
Writer(s) Dylan Horrocks
Artist(s) Rick Leonardi, Jesse Delperdang
storyline Alfred showed Cassandra her new apartment. While Batman and Robin patrolled, Cass spoke with Barbara. She tried to explain to her Batman's actions. Cass stole one of Barbara's old costumes and left. Robin called in for backup, and was helped out by Batgirl. She went on and confronted some corpse thieves; Batman was there, too.
Issue Batgirl 50
Subtitle Tough Love
Date May 2004
Writer(s) Dylan Horrocks
Artist(s) Rick Leonardi, Jesse Delperdang
storyline As Batgirl and Batman fought, Dr. Death let loose a toxin. Robin took him down as the two Bats continued their fight. Robin followed them as their fight continued on across a monorail and into the streets of Gotham City. Nightwing got to them and reported to Oracle that they were on soul (a new designer drug). He tried to stop their fight but could not. Robin got the antidote from the incarcerated Dr. Death and headed to help his friends before one of them ended up dead. The drug eventually wore off them and they came to an understanding. Cass said her loyalty was to the Bat, not to Batman, not to Oracle. 
Issue Batgirl 51
Subtitle The City is a Garden
Date June 2004
Writer(s) Dylan Horrocks
Artist(s) Eric Battle, Nathan Massengill
storyline Batman and Batgirl saved a potential innocent victim - a homeless man - from a high speed chase and stopped the perpetrating car. The homeless man said he was drawing a map of the perfect city; Batman was familiar with him. The next day, Barbara took Cassandra to a Wayne-funded art unveiling for a new Gotham City monument. The artist had developed a huge garden / park in the place of destruction left over from the earthquake. People began to lose their inhibitions there - the man appeared to be under the spell of Poison Ivy. That night, it turned bad. Batgirl went in to investigate. 
Issue Batgirl 52
Subtitle The City is a Jungle
Date July 2004
Writer(s) Dylan Horrocks
Artist(s) Rick Leonardi, Jesse Delperdang
storyline Poison Ivy's creations began spreading themselves throughout the city. Batgirl got Barbara to safety after she shook off the effects of Ivy's plants. She then began to stop others under the influence. After getting the low-down from the 'artist,' Batgirl found Ivy and attacked. Ivy thought she'd gotten the best of her, but Batgirl was able to set off a small charge, killing the tree which had sprung forth the other plants. Batman arrived as Batgirl finished up the job. 
Issue Batgirl 53
Subtitle Sisterhood
Date August 2004
Writer(s) Dylan Horrocks
Artist(s) Dave Ross, Jesse Delperdang
storyline Batgirl called Oracle for backup against Penguin's men, Robin was sent in to help her. Afterwards, they went to the Clocktower with tone of the guns that was used against them. It was a special ops gun, only 5 were in existence. With Batgirl and Robin on his trail, one of the men gave his gun to his daughter to deliver. They recovered the gun and saved the little girl. Penguin was taken down.
Issue Batgirl 54
Subtitle Cooking the Books
Date September 2004
Writer(s) Dylan Horrocks
Artist(s) Rick Leonardi, Jesse Delperdang
storyline Batgirl investigated a bookstore fire where a new book's author, editor, and printer were killed. Every outlet for the book (publisher, warehouse, etc.) had been destroyed. Oracle learned of an advanced copy that made it to a library. When Batgirl got there, someone was already searching it out. After a brief struggle, she learned it was some sort of robot. The librarian found the book for Batgirl and realized it was a manual on the assassin robot. Batgirl went back in to hold it off while the librarian looked for the self destruct command. She found it and was knocked out before she could say it. Batgirl had to have the robot read it since she still could not read. Barbara apologized for the incident, and Batgirl later encountered Spoiler - Batman had fired her as Robin.
Issue Batgirl 55
Subtitle War Games Act 1, Part 6: Total War
Date October 2004
Writer(s) Dylan Horrocks
Artist(s) Sean Phillips
storyline [continued from Robin 129]
Batgirl stopped two assassins from hitting a four-year-old boy. Oracle continued to point her toward her next assignments. Oracle got word to Batman about the shootout at Tim's school. Batgirl encountered Spoiler and told her to go home. Batgirl took leave and headed to help Batman at the school. The media was already on site. Gunshots were heard.
[continued in Catwoman 34]
Issue Batgirl 56
Subtitle War Games Act 2, Part 6: Collateral Damage
Date November 2004
Writer(s) Dylan Horrocks
Artist(s) Mike Huddleston, Jesse Delperdang
storyline [continued from Robin 130]
Batgirl took down one of the Moxon family's snipers. The Ghost Dragons tried to take over the Thompkins Clinic but were stopped by Batgirl. Lynx may have been killed accidentally by one of her own. Hush got to Black Mask. He offered to tell the crazed man where Batman's cave was.
[continued in Catwoman 35]
Issue Batgirl 57
Subtitle War Games Act 3, Part 6: Ground Zero
Date December 2004
Writer(s) Dylan Horrocks
Artist(s) Mike Huddleston, Jesse Delperdang
storyline [continued from Gotham Knights 58]
Oracle sent Batgirl to help Onyx. The various gangs got word to meet near Gotham Central. Black Mask attacked a TV reporter on camera and spoke to the audience. He used propaganda techniques against Batman and the police.
[continued in Catwoman 36]