Plot: Season four begins in Egg Harbor City, NJ where one couple's home has turned from a cozy fixer-upper into a living hell. Additional locations include a house in Browns Summit, NC where haunted activity is adversely affecting one family's health; a childhood home in Wabash, IN that has taken on paranormal activity since it was rebuilt after a mysterious fire; the former home to a murderous mobster in Rock Island, IL that's ridden with unexplained shadows and noises; a Watervleit, MI home overcome with aggressive activity that terrorizes its inhabitants; a 19th century mansion in Buchanan, VA with dark secrets; and two haunted hotels - the Occidental Hotel in Buffalo, WY and The Amargosa Hotel & Opera House in Death Valley, CA, both of which are rapidly losing business due to terrified guests