The last thing Louis wanted was to spend summer vacation on a family road trip. They hit the usual tacky tourist stops, and to top it all off is a stay at a motel boasting a Prehistoric Action Park, complete with outdated dinosaur statues. But when Louis goes out during the night to search for his toddler sister after she wanders away under his watch, even he has to admit the dinosaurs look spookier beneath the fluorescent lights. And are they . . . moving?