A visitor to a big city gets involved in intrigue when a look-alike jewel thief sets out to doublecross his gang.

A prospector is murdered by The Cactus Kid and his gang, who hope to find the murdered man's goldmine. The miner's dog, Rin-Tin-Tin, recognizes the killers, who thereafter seek to use the dog to locate the lost mine. With the help of a government agent and a young girl, Rinty saves the mine and brings the bad guys to justice.

Two competing jewel thieves hunt for a load of diamonds.

Our hero Jimmie March works for stockbroker E.J. Philips and daydreams of romance with Eleanor, the boss's lovely daughter. Unfortunately, Eleanor is dating Mortimer Fenton, a wealthy cad who used to push Jimmie around in college. To add insult to injury, Jimmie gets fired. All seems lost until a gypsy fortune teller foretells that he'll make a bundle playing hunches in the stock market. So, he convinces his buddies to lend him some money and invests in stocks that then start to skyrocket. However, Fenton isn't about to take that lying down and subsequently hatches a plan to wipe his rival out for good... Will Jimmie's fortune come true? Will he be able to defeat Fenton and win the heart of the girl? Watch and find out!

Very first of the Juvenile Comedies series.

A young Russian countess is told that she must marry an American within a certain period of time in order to inherit a substantial fortune. At the same time, a young American man is informed that he will come into a large sum of money if he reaches a certain bank by a given date. The two must overcome a variety of obstacles that stand in the way of their getting the money.