Set amid the coziest of New England traditions, a festival on the town common, Twilight drives deep into the darkness of the loves, fears, and hatreds that motivate us all - sometimes even to murder. The fortunes of the Port Frederick, Massachusetts, community are riding on the upcoming Autumn Festival, sponsored by The Judy Foundation: founder and director, Jenny Cain. As if running a fair on Halloween weekend for almost 15,000 people isn't enough of a challenge, Jenny's life and her own fortunes become much more complicated when a newly widowed young woman, Melissa Barney, walks into her office.