When Commissioner Gordon is framed for taking bribes from Rupert Thorne, his daughter Barbara pleads with Batman to show up at a rally being put on in the commissioner's behalf. But when Batman disappears after finding the person behind the frame-up, Barbara takes the law into her own hands as Batgirl.
Robin discovers that Gil Mason is in league with the underworld and goes to investigate him. He encounters Batgirl along the way, and go their separate ways to stop Mason. They then meet again to learn that Gil is working with Two-Face to take out Gordon, and have Batman (as Matches Malone) captured.
Wealthy socialite Veronica Vreeland returns from Central America bringing tiny handmade dolls for all her friends. According to native legend, once placed under a pillow the dolls do the sleeper's worrying for them. Unknown to Veronica or her guests, each of the dolls was made by the Mad Hatter, and contains a tiny microchip which plants hypnotic suggestions inside the sleepers' brains.