In order to help bring Nazis to justice, U.S. government agent T.R. Devlin recruits Alicia Huberman, the American daughter of a convicted German war criminal, as a spy. As they begin to fall for one another, Alicia is instructed to win the affections of Alexander Sebastian, a Nazi hiding out in Brazil. When Sebastian becomes serious about his relationship with Alicia, the stakes get higher, and Devlin must watch her slip further undercover.

Arriving in Arizona, the band members discover that the hotel is haunted and that it properly belongs to young Jimmy Benson (Curtis), the nephew of the previous owner. The "ghosts," however, turns out to be a trio of confidence men, Zeke Winslow (Guinn "Big Boy" Williams), Noah Jones (Raymond Hatton) and Slim Jensen Victor Potel, who are hoping to buy the place themselves.

While watching from her train window, Nikki Collins witnesses a murder in a nearby building. When she alerts the police, they think she has read one too many mystery novels. She then enlists a popular mystery writer to help her solve the crime on her own, but her sleuthing attracts the attentions of suitors and killers.

Radio singing star, Eve Porter, wants a vacation during her show's summer hiatus, but her manager and press have booked her for additional work. She refuses and goes to Las Vegas. When she finds them there hunting her down, she manages to escape them by hiding in the car of a newspaper reporter. She comes out of hiding while he is driving, but everything she says is misconstrued, making him believe that she is a recently-escaped convict, "The Singing Widow". He plans to use this as a story to get back into the good graces of his editor. Through some comic mishaps, he learns who she really is. He then decides to take her back to Hollywood to collect the reward for her return. But now love has entered the mix, and must be resolved with his job and her engagement to another.

After learning they were duped by a con artist, two songwriters join forces with other swindled colleagues and use creative methods to promote their music.

Islanders make arrangements for an American bandleader to marry a princess.

In this musical drama, a woman turns her mansion into a boarding house for soldiers on furlough, providing them with room, board, and musical entertainment.

To save their music publishing firm from bankruptcy, Bill "Brains' Watson creates a colorful life-story about his partner, Danny Lee, representing him as a descendant of Louisiana's famous Josh Lee family and rightful poet laureate of Dixieland.

In this comedy, three merchant marines get into all kinds of trouble. Two of the salts have just broken off their engagements after meeting other, more desirable women.

Honeymooners find a dead radio producer in their suite.

A mad scramble for stolen loot ensues after Boston Blackie has prisoners released for work in a wartime defence plant.

In this WW II musical, a young man suddenly finds himself in charge of his family when his father is called to war. To help the flagging spirits of local factory workers, the plucky lad, his siblings and his schoolmates put on a lively little show. With a little work, he even convinces Count Basie to come with his band.

A Broadway producer's Girl Friday must make sure that her recent marriage is kept secret. If it gets out, she will lose her job. Unfortunately, her new hubby is tired of hiding the truth and creates all kinds of problems when he decides to spill the beans.

Abbot and Costello must find a replacement for a woman's horse they accidentally killed after feeding it some candy. They head for the racetrack, find a look-a-like and take it. They do not realize that the nag is "Tea Biscuit," a champion racehorse.

Two dumb soda jerks dream of writing radio mysteries. When they try to pitch an idea at a radio station, they end up in the middle of a real murder when the station owner is killed during a broadcast.

A police lieutenant and a patriotic professional gambler, rivals in life and love, combine efforts to corner a gang of Nazi saboteurs operating out of a barber shop, in which their mutual girlfriend works, and unmask its secret leader.

A New York doctor saves a chorus girl from a window ledge, twice, and rounds up racketeers.

Boxer Joe Pendleton, flying to his next fight, crashes...because a Heavenly Messenger, new on the job, snatched Joe's spirit prematurely from his body. Before the matter can be rectified, Joe's body is cremated; so the celestial Mr. Jordan grants him the use of the body of wealthy Bruce Farnsworth, who's just been murdered by his wife. Joe tries to remake Farnsworth's unworthy life in his own clean-cut image, but then falls in love; and what about that murderous wife?

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.

A telegraph postal union worker has no luck when asks a pretty co-worker to marry him. She says he'd have to be a magician to get her to say yes. Things are complicated when, as a favor to a stuttering acquaintance, he takes his overweight girlfriend to the movies to propose to her by proxy. Unfortunately the pretty co-worker spots him with her in the theater, so he begins to learn magic tricks.

Musical performers put on a show in a pawn shop to convince a man to give them the money they need to buy back their instruments.

Gossip columnist Eddie Bruce introduces three musical acts, followed by a vaudeville routine.