[Machine Translation] If you don't keep building, you will die. The latest director of the "Saw" series x The scariest true story x Oscar-winning actress Helen Mirren's first real starring role in a horror film! A must-see hit film that has terrorized the U.S. and Japan! 525 South Winchester Street, San Jose, California. For 38 years, 24 hours a day, 365 days a year, the Winchester Mystery House has been constantly being remodeled and expanded. The world's most terrifying and haunted house is the setting for this authentic horror film! Staircases that lead nowhere, windows that open to the floor, mazelike halls, and decorations everywhere with the number 13... What exactly was going on in this bizarre house? The abominable true story is told by the genius brothers Michael and Peter Spierig, who have also been selected for the latest film in the Saw series. --Sarah Winchester (Helen Mirren), a widow who has lost her daughter and husband to sudden illness, has been obsessively building and remodeling her house 24 hours a day to escape the ghosts of those killed by the Winchester gun. The house she lives in has been transformed into a bizarre 500-room mansion. The management, suspicious of Sarah's behavior, sends Eric ( Jason Clarke ), a psychiatrist, to the house to take away Sarah's management rights on the grounds of mental instability. Eric is skeptical about the existence of ghosts, but night after night, he is tormented by bizarre phenomena and is gradually driven into a corner. When Eric becomes suspicious, he investigates the mansion and discovers a disastrous room that is tightly sealed up. What is the true nature of the ghost that haunts Winchester House?