Exclusive photo of Rooney Mara and Kate Mara at the world premiere of Warner Bros Pictures' A Nightmare on Elm Street held on April 27, 2010.

A Nightmare on Elm Street Synopsis: A group of suburban teenagers share one common bond: they are all being stalked by Freddy Krueger, a horribly disfigured killer who hunts them in their dreams. As long as they stay awake, they can protect one another…but when they sleep, there is no escape.