Batman keeps secret watch over Gotham City by day in the guise fo millionaire Bruce Wayne. By night he uses his shadow stealth, detective skills and an ever-increasing array of high-tech weaponry to punish wrong-doers and protect the innocent. The daughter of Police Commissioner Gordon, Barbara Gordon was born with an innate sense of justice. This, combined with her uncommon bravery and acrobatic fighting skills make her one of Batman's most effective allies.