Jack and Katrina head to Paulding, Ohio, to explore an infamously haunted jail said to house dozen of spirits, including a young murder victim. The duo has their work cut out for them as they separate rumor from truth during the historic investigation.

Katrina and Jack gain unprecedented access to the infamous Shanghai Tunnels of Portland, Oregon. They've been called on to determine if two newly restored tunnels are safe for public tours after a recent spike in violent paranormal activity.