When Hagstrom's bait store burns down, arson rumors fly among the residents of Whistling Pines senior living facility. When Peter Rogers, the recreation director speaks with residents he discovers there have been numerous suspicious business fires over the years. Torn between two sets of Halloween preparations and the arson investigation, Peter finds himself drafted as an unwilling judge for Two Harbors Halloween competitions, while the police chief forges ahead with the arson investigation.

What is alpaca bingo? Will the Rube Goldberg cannons actually launch a pumpkin without killing anyone? Will Peter survive a night of surveillance with the fire chief?