Eager to prove himself as a guardian for the criminals of Gotham City, Killer Moth has set his sights on taking out one of Gotham's finest heroes…Batgirl! Does this insect menace really stand a chance against Batman's smartest ally? Meanwhile, after their daring escape, the Terrible Trio is on the hunt for new ways to cause trouble for Batgirl. Little do they know, Lex Luthor has already beat them to it and is about to bring Batgirl's worst possible nightmare to life! Oracle is back online. And she's angry.