A traitor is lurking somewhere aboard the USS Carolina, and Lt. Tom Randolph is determined to find the offender. First a revolutionary new piece of technology -- an electric firing device -- is sabotaged. Then one of the cruiser's crew is murdered. In order to catch the killer, the captain locks down the ship. With foreign dignitaries, corporate goons and even Tom's girlfriend, Betty, trapped on the vessel, there is no shortage of suspects.

Joe Foley, charged to deliver a trainload of cattle to his employer, is forced to commandeer the engine when his engineer refuses to continue until he has observed union rest rules.

"Katy" Didd holds up the stage in which his sweetheart, Alice Mason, is traveling to her wedding to Prince Tetlow, to whom her guardian insists that she be married. Katy hides her at his ranch, but Tetlow finds her and abandons Katy in the desert.

When Prohibition ends, a barber tries to get in the liquor business only to come up against mobsters.

Jeff wants to get married to Virginia, but Virginia won't marry until her older, hard-to-please sister Angelica gets married off first. Jeff pretends that a shy, never-married nobody he has just met is really a great lover, in order to get Angelica interested in him.

Elmer Tuttle, a plumber in Paris, is enlisted by beautiful Patricia Alden to help her make her lover Tony Lagorce jealous. Tony, however, is two-timing Patricia with Nina Estrados. Elmer, with the help of his friend Julius, hopes to use the high-society contacts he's made with Patricia to find a market for his new invention, a pistol with a range-finding light. But Elmer's attempts to interest a military leader are mistaken for assassination attempts, and with Tony and half the male uppercrust of France challenging Elmer to duels, he is in hot water not even his plumbing skills can drain away. Written by Jim Beaver
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It was Keaton's first starring talkie vehicle.
A naive and wealthy young man seeks to impress a girl and then unwittingly signs up for army service.

Gopher City Kansas hosts a beauty contest. The winner, Elvira Plunkett, and her mother go to Hollywood. The Chamber of Commerce also provides Elvira with an agent, Gopher City's own Elmer J. Butz. Elmer likes Elvira and the shy Elvira likes him, but Mrs. Plunkett, a formidable woman, has little use for hapless Elmer. On the train west, they meet movie star Larry Mitchell, who takes a shine to Elvira and helps her meet MGM directors once they get to Tinsel Town. Elmer, meanwhile, wants to help Elvira with her career and he also wants to be her man. Movie stardom does come to the Gopher City entourage, but to whom is a surprise. And who will win the lovely Elvira's hand?

Buster Keaton's final silent feature, as well as the final film in which MGM allowed him any creative control.

The deformed Phantom who haunts the Paris Opera House causes murder and mayhem in an attempt to make the woman he loves a star.

A photographer takes up newsreel shooting to impress a secretary.