Detective Zelda Pettibone is on her own against the murderous Maniac Mary! Well, on her own if you don't count the legion of Maniac Mary stans stampeding through the halls of the Metropolitan Museum of Art. Can renegade ex-Mayoral aide Gina Greene get there in time to help her only friend destroy the Maniac for good? She doesn't have any more issues after this one, so she better hurry!