While the film has no audible dialog, it was released with a synchronized musical score with sound effects using both the sound-on-disc and sound-on-film process.

The screenplay was adapted from Ben Ames Williams' short story Son of Anak.

David Butler began as director but had to leave the production to attend to a family emergency, and Kenneth Hawks then assumed directorial duties.

Set on the Maine coast, a young sloop skipper Bramdlet Dickery discovers a plot to smuggle alien Chinese into the United States.

Bramdlet's younger brother Thad is enamored with daughter of the captain of the smuggling ship.