Buster Crabbe and Johnny Weissmuller battle it out in Cajun country! Johnny, a riverboat pilot on the Mississippi, is seduced away from his fiance (Carol Thurston) by a rich outsider (Virginia Grey) who's nursed him back to health after a serious accident. She owns a large piece of the swamp and has outlawed hunting on her property. His rival Mike (Crabbe) is a trapper who harbors deep resentment for Johnny and his new wealthy friends. When he feels Johnny is responsible for the hunting ban, he resorts to destructive acts of vengeance.

Old rivals are pitted against each other in basic training and fight for the same woman.

A nurse is taking an amnesia victim, who was imprisoned by the Japanese during WW II, to the United States in a plane piloted by Richard Denning. The passengers include a Japanese colonel on his way to Manila to face war-crime charges, and a couple who were married on the day they were liberated from a Japanese prison camp. During the flight, the colonel breaks away from his guards, causes the plane to go out of control, and it crashes into the sea. The survivors get into a rubber boat and go through a minor-league version of "Lifeboat, with no Alfred Hitchcock sightings, until Air-Sea Rescue pilot Jim Willis rides to the rescue.

A doctor and his staff in a hospital on the Philippine island of Corregidor shortly after the Japanese attack on Pearl Harbor try to treat the sick, injured and wounded as American and Filipino troops desperately try to beat back a ferocious Japanese attack.

Old-time musical star Schyler Jarvis, now wealthy, is dying; his last act is a visionary plan for the future happiness of his son, swing bandleader Louis Jarvis, and Honey Carter, daughter of his long-lost love. But crooked lawyer Talbot has a nefarious scheme to get his hands on the Jarvis money...and it doesn't include any happiness for Louis and Honey. Plenty of swing from Louis Jordan's Tympany Five.