Paranoid viewers may well catch the scent of a little something "off," the way folks with hyperosmia know the milk’s absent bad before opening up the carton, but noticing the clues that Meyers, screenwriter Alan Trezza and the film’s most important solid-Alexandra Daddario, Maddie Hasson and Amy Forsyth-leave on the screen requires a small deductive reasoning and a large amount of psychological examine.