On December 6, 1941, Captain Yamanada of the Japanese aircraft carrier "Hiranamu", orders full steam ahead for Pearl Harbor. His ship encounters and sinks an American yacht and the single survivor, Sue Curry, is rescued by an American submarine, the "Sea Serpent", commanded by Commander Chris Warren. He hears her story and attempts to radio a warning to Pearl Harbor. Yamanada, hearing the signals, orders the airlines jammed, and then sends his son into the air to sink the sub. The attack fails, after the sub makes a crash dive, but they fail in their warning attempts. The next morning, December 7th, the men on the sub hear the story of the bombing of Pearl Harbor, and devise a desperate plan to sink the Japanese carrier by letting the carrier know their position. The carrier comes in search of the submarine.
A young newlywed couple learns to make their new marriage work; trying to impress family, stay on budget, and remain as diplomatic towards each other as possible.
Our heroes head to a wide-open town in search of a gang of desperadoes, headed by swarthy Noah Beery Jr. Along the way, Elliot and Ritter find time to pitch woo to leading lady Eileen O'Hearn. The Devil's Trail was based on a story with the more intriguing title "The Town in Hell's Backyard."
Cookie is born, producing unmitigated joy in the Bumstead household. Adding to the chaos a new baby always creates is the appearance of Hans Conried as a cynical author who becomes caught up in the Bumstead lifestyle.
The conflicting views of two leading citizens in a small town are reconciled when they come across a promoter who is planning to defraud the town. He is reformed by the daughter of one.
An evil land baron uses the local Indians as laborers and then finds legal methods to cheat them of their pay. The reservation physician Steve Monroe does his best to thwart the villain by peaceable methods.