Katrina and Jack travel to Tennessee to investigate a once-thriving natural springs resort where guests fell victim to the deadly waters. A recent flare-up of paranormal activity has them asking if a dark force has checked into the century-old hotel.

Jack and Katrina take on a Denver mansion plagued by a string of bad luck and untimely deaths. They discover why the stately home is called "the king of haunted houses" when they encounter a mirrored portal to the netherworld.