With Matthew stuck back at law school studying for an exam, Rob and John Owen trek up to Boise, Idaho to visit the haunted Old State Penitentiary – a grim site, notorious for its history of executions by hanging – where they meet an expert in the psychology of fear who will use the disturbing energy of the facility, and its past horrors, as an overnight testing ground to help Rob and Johnny explore their fascination with what triggers our inner fright.

Rob et John Owen se rendent à Boise, en Idaho, dans le sinistre pénitencier d'État; sur place, ils sont accompagnés d'une psychologue spécialiste de la peur.