Richard Arlen ("Houston/Jim") deserts from the US Navy only to re-enlist (under a pseudonym) after Pearl Harbor is attacked. He is assigned to a minesweeper where he must defuse these lethal obstacles to shipping in the Pacific Ocean. That's the exciting bit. The rest of it is a bog-standard melodrama with him falling for "Mary" (Jean Parker) and engaging is some rather dull sparring with fellow seaman "Nash" (Russell Hayden) for her affections. It's only when "Nash" saves the life of his competitor that "Lieut. Gilpin" (Frank Fenton) discovers some flaws with Arlen's backstory and our would-be... read the rest.