Welcome to the town of Autumn Heights, where the leaves are colorful all year round, and the murders keep piling up... During the annual Autumn Heights Fall Fair, it's all fun until Councilman Dave Alderson is crushed by an enormous jack-o'-lantern. The problem? Vi was closest when the strap holding the jinormous pumpkin snapped and Officer Peskee thinks she had something to do with the murder. With a teenage daughter named Cat, a cat named Boo, and a Grimm following her around, Vi needs to figure out the truth about Dave before the police from Autumn Heights put her in jail!