Imagine the worst nightmare possible. For Ivy Jensen, it's the eyes of a killer that haunt her nights. For Parker Bradley, it's bloodthirsty sea serpents that slither in his dreams. And for seven essay contestants, it's their worst nightmares that win them an exclusive look at director Justin Blake's latest, confidential project. Not all winners are so charming, though. The hostess is a serial-killer look-alike, the dream-stealing Nightmare Elf is...