Taken from IMDB: 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.

Taken from IMDB: 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.

Taken from IMDB: 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.

In this film Charley Grapewin has the lead role as Jasper Whyte, a crotchety head of a family, who are planning how to spend his money before he is dead. Jasper has a surprising announcement - he is going to give each of his relatives a $1 million before he dies! But if his granddaughter can be found, it all goes to her!!!