A scientist discovers that there's gold on the moon. He builds a rocket to fly there, but there's too much rivalry among the crew to have a successful expedition.
Bill Whipple is a happy-go-lucky mechanic for MacDonald who thinks that he is the worlds greatest driver and lover. Mac has treated Bill like a son since he took him in. One day at the track, Bill sees Pat Bannon, and tries his best to impress her, but to no avail. On his way to catch a flight, he tricks Pat into taking him to the airport and she gets even by taking him up in a plane. He hates to fly, but will not show her that he is afraid and when the plane breaks up, he is a hero for rescuing her. This gets him publicity and Renny offers him his car to drive in the Indianapolis 500. Bill breaks with Mac to drive the car and puts it on the pole for the race. Then Renny double crosses Bill and plans to drive the car himself since Bill has tuned it so well.
Capt. James Stewart pursues the bandit "The Kinkajou" over the Mexican border and falls in love with Rita, though he suspects that her brother is the bandit.
At the conclusion of World War I, a French girl is romanced by an American doughboy even though she is promised to a French soldier who was sent to the front.
With unpaid actors and staff, the stage show Phantom Sweetheart seems doomed. To complicate matters, the box office takings have been robbed and the leading lady refuses to appear. Can the show be saved?
Relentlessly pursued by gold digger Viola Hatfield millionaire Michel Towne decides to put her off through a marriage of convenience with surprising consequences. Based on a story by Elinor Glyn.
The vaudeville act of Harriet and Queenie Mahoney comes to Broadway, where their friend Eddie Kerns needs them for his number in one of Francis Zanfield's shows. When Eddie meets Queenie, he soon falls in love with her—but she is already being courted by Jock Warriner, a member of New York high society. Queenie eventually recognizes that, to Jock, she is nothing more than a toy, and that Eddie is in love with her.
Lulu is a young woman so beautiful and alluring that few can resist her siren charms. The men drawn into her web include respectable newspaper publisher Dr. Ludwig Schön, his musical producer son Alwa, circus performer Rodrigo Quast, and seedy old Schigolch. When Lulu's charms inevitably lead to tragedy, the downward spiral encompasses them all.
Unjustly accused of adultery in a scandalous divorce, Larita Filton flees to the French Riviera. She soon falls in love with a young Englishman, John Whittaker, and begins anew under an assumed name. But when John brings her home to his disapproving family, Larita’s past begins to resurface.
The mastermind behind a ubiquitous spy operation learns of a dangerous romance between a Russian lady in his employ and a dashing agent from the government's secret service.