The team investigates the Boydville Manor in Martinsburg after a guest is attacked; they make contact with the spirit of a young boy and uncover an evil presence known as the "King of Death" that may be too powerful to destroy.

The Charles Town Fire Department turns to the team for help with a new case at The Old Opera House; the team pieces together the profile of a female ghost with an unusual agenda.

The team investigates a museum in Martinsburg with direct access to a network of underground tunnels; when they discover a mysterious green mist and the tormented spirit of a priest, they descend into the limestone caves to confront the evil entity.

As an invisible predator begins mutilating livestock in Middleway, a farmer turns to the team for help; after the investigators rule out occult rituals, a haunting next door and a cave full of bones link the case to an evil entity underground.