Hank Davis, foreman on a huge dam project, enlists the aid of his two flyer friends when a sinister figure known as The Black Ace leads his Mystery Squadron of masked pilots in an attempt to destroy the dam.
1932
1943
1931
1917
1940
2023
1914
2010
1937
1942
1994
1949
1966
1922
2008
1993
2019
2005
2007
