A family reunites at their isolated stone manor in upstate New York to mark the anniversary of a death sixteen years earlier, but their somber occasion is disrupted by a masked killer wielding an axe, along with some unsavory criminals and… a supernatural presence! “Dementia 13” (2017) is a reimagining of the 1963 film created by Francis Ford Coppola, which was initially conceived as a budget-friendly imitation of…