Zak and the crew travel to San Francisco to investigate a mysterious castle. Then they travel to Mexico to conduct a special investigation of the infamous Island of the Dolls.
When Hans Holzer visited the Ayers-Allen House in Metuchen, New Jersey, in 1960, he found entities dating back to colonial times. Now his case file is reopened, and the team discovers the spirits there may have a more ominous origin.
Jason Hawes' daughter, Satori Hawes, calls on the team to help on a case she can't crack in Franklin, Massachusetts. A family is fighting an unknown entity in their historic home and fear the activity is linked to witchcraft.