The Winchester Mystery House has grown to a behemoth of a mansion, the construction never stopping a single moment for years. Sarah Winchester's niece, Marion, gives a small group of workers a very special task... To hide her Aunt's greatest treasure in a secret room deep within the house. James Handler and Sarah's long time lawyer and confidante, Frank Leib, have a deep conversation about what the house's purpose is. But things take a deadly turn when the workers find something hunting them in the basement of the house... What has the house uncaged?