Exciting espionage suspenser with Henry B. Walthall as a former bad guy who joins the Allied Secret Service and seeks revenge against German spy Lon Chaney, responsible for the death of his wife and child. Walthall, known as the "Lone Wolf," traces Chaney to America, where he tries to track him down with the help of Mary Anderson, another spy. 97 min. Standard; Soundtrack: music score. Silent with music score.