When Special Agents Jack (Lou Diamond Phillips) and Stephanie (Lori Petty) cut through a condemned, desolate highway known as Route666 while tracking a suspect, they discover a danger far worse than deadly twists and turns! Years ago, a notorious chain gang waskilled in a horrific roadside murder, and the highway still echoes with its brutal legacy. Now, they face a terrifying reality...there's no escape and no way to deny the secret behind the forces haunting this bleak wasteland.