Late-night talk radio host Mary O'Brien decides to change her normal show, called Passion Calls, because tonight is Halloween, and asks her listeners to call in and talk about why the holiday is so popular - or evil - depending upon their point of view. After a few callers, a woman who claims to be a real vampire calls in, and later, she mysteriously shows up at the radio station and sits in with Mary answering calls about vampires, witches, Halloween traditions, and other things that go bump in the night of October 31st. Although friendly and outgoing and seemingly benign, Mary wonders about...