Ernie Reardon, the superintendent, and Bill O'Hara, the foreman, of a construction company crew working on a bridge to a remote valley, are constantly quarreling over small and minor matter, especially when it comes to Peg Mallory, whom both men are romancing and Peg enjoys the attention. Thed work is suspended when a worker is killed, but a flood is approaching and the valley citizens are in dire straits unless the bridge is completed - in a hurry.

A bunch of waterfront youths pursue the Sea Raiders, a gang of saboteurs.

A former University of Michigan football star (Tom Harmon) rejects an opportunity to play professional football. Instead, he marries his college sweetheart (Anita Louise) and begins a career as a college football coach.

The U.S. Army takes over a large area of land, over the objection of citizens and corporations who live and work there.

The fourth and last of the George A. Hirliman-produced films starring George O'Brien (preceded by "Daniel Boone", "Park Avenue Logger" and "Hollywood Cowboy") that were distributed by RKO Radio. Hirliman sold O'Brien's contract to RKO, which then produced 18 series westerns starring O'Brien that ended when O'Brien went into the Navy at the outbreak of WW II. Long-time (past and future) O'Brien director David Howard served as Hirliman's Associate Producer on this film. "Windjammer" finds O'Brien as a subpoena server ordered to serve a subpoena on Brandon Evans (The Commondore) for a senate inquiry or lose his job. Posing as a playboy, he boards the Commodore's yacht during a yacht race, and the yacht is wrecked by a gun-running windjammer commanded by Captain Morgan (William Hall.) All hands are picked up by the windjammer, including the Commodore's daughter (played by Constance Worth) and put to work as galley slaves.