Based on a true story, apparently, which is exactly what you don't want to hear at bedtime.
Fun fact: The real Perron family visited the set and reportedly experienced paranormal activity during filming.
Every line in it is quotable and everyone you've met has tried to prove that at a dinner party.
Fun fact: Cary Elwes and Mandy Patinkin learned to fence both left- and right-handed for the duel scene.