When police officer Moe Finkelstein and his colleague Officer Salomon are ordered to serve as bodyguards to German consul Karl Baumer by the mayor of New York City, Finkelstein turns in his badge, convinced he has to quit the service because the man is a Nazi.

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.

Popular crooner Russ Raymond abandons his career at its peak and joins the Navy using an alias, Tommy Halstead. However, Dorothy Roberts, a reporter, discovers his identity and follows him in the hopes of photographing him and revealing his identity to the world. Aboard the Alabama, Tommy meets up with Smoky and Pomeroy, who help hide him from Dorothy, who hatches numerous schemes in an attempt to photograph Tommy/Russ being a sailor.

Mad scientist turns a man into an electrically-controlled monster to do his bidding.

In this musical comedy, a motley band of musicians have only their extreme poverty in common. They end up writing a hit and getting a recording contract. The trouble is, the composer's works are never played without another band member doctoring them up to make them swingier. Fortunately, the composer isn't too averse to the changes as he has just won the heart of the beauty who sings his revamped songs.

Wall Street broker Robert Cain, Sr., is jailed for embezzling. His college graduate son Bob then turns to crime to raise money for his father's release. As assistant to mobster Mickey Dwyer, then falls for Dwyer's girl Lucky. He winds up in the same prison as his father.

When Hollywood film studios reject her because she's too young, an Arkansas woman sets out to build a career as an actress on her own.

A man involved in a crime (Nolan) kills his key witness by mistake and resigns himself to death. He changes his name so as not to harm his family. The law is not content with his explanation, however.

Rebecca's Uncle Harry leaves her with Aunt Miranda who forbids her to associate with show people. But neighbor Anthony Kent is a talent scout who secretly set it up for her to broadcast.

As part of their public feud, Bandleader Bernie pretends a girl singer is no good so columnist Winchell promotes her in his column.