When two Special Agents cut through a condemned, desolate highway known as Route 666 while tracking a suspect, they discover a danger far worse than deady twists and turns! Years ago, a notorious chain gang was killed in a horrific roadside murder, and the hightway 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 force haunting this bleak wasteland.