Scott B. Smith's icky horror novel makes it onto the big screen. In it, a group of friends embark on a leisurely Mexican holiday. While stepping off the beaten bath, the gang stumbles across an archeological dig in the remote jungle. There, they encounter an ancient and bloodthirsty evil lurking among the ruins. Young cast includes Jonathan Tucker ("The Black Donnellys"), Jena Malone (Donnie Darko) and Shawn Ashmore (X-Men: The Last Stand). 91 minutes R.