Zak and the crew investigate poltergeist activity at a historic saloon in Paso Roble, California. The activity is so relentless that staff and guests don't feel safe on the premises. Zak suspects it may be the sole work of an entity called "The Old Hag."

The crew is called to a desolate Nevada town to investigate a winery allegedly built atop sacred burial grounds. Fatal accidents plague the property, and the terrified staff is stalked by an evil presence. Can Zak get to the bottom of the deadly curse?