Zak and the crew investigate two mines in Jackson, California. The Argonaut was the site of a 1922 fire that killed 47 miners, and the Kennedy, which has had its share of deaths, seems to be ground zero for hauntings.

The crew heads to Mokelumne Hill, CA, to investigate one of the state's oldest operating hotels. A devastating fire and the town's violent history has left a dark presence in the historic building that threatens the safety of employees and guests.