[Machine Translation] New York City, Manhattan, an upscale residential neighborhood -. Meg, newly divorced, took her daughter Sarah to check out a new place to move. The townhouse she was shown was a four-story building with an elevator. But not only that, it was equipped with a secret room. "Panic Room," as the space for emergency evacuation was called. There is only one door. It is equipped with an automatic locking system with built-in springs and infrared sensors. It was built for one purpose only. Never to let anyone in. On the night that the mother and child began their new life together, an incident occurred.