The stooges escape from jail when they learn their father, who has just become rich, is planning to leave their mother and marry a young girl. Curly is mistaken for the stooges father (he plays both parts) and marries the girl instead. When they learn that she is working with gangsters who plan to kill their father for his money, they escape and take their father with them.

The stooges are left in charge of a gas station and manage to blow up the car of their first customers, three famous European professors. The stooges steal some of the academics' clothes and wind up at "Mildew", a women's college where the three professors are expected. Mistaken as the real thing, the boys take their place on the faculty. When the real professors show up, the stooges try to convince a rich woman, the schools benefactor, that an athletics programs is more important. Their athletics demonstration comes to an explosive end when the real professors slip them a nitroglycerin basketball.

The stooges are traveling salesmen stranded in Valeska, a tropical country prone to earthquakes. Having no luck selling fur coats to the natives they are arrested when they receive a telegram instructing them to "get rid of present wardrobe" and an official thinks they are planning to assassinate president Ward Robey. With the help of Rita, a beautiful revolutionary, the boys escape a firing squad, and are sent on a mission to deliver important plans to the revolutionary leader. When they deliver a rolled up calendar by mistake, they are once again heading for a firing squad but are spared when Rita arrives with the real plans.

The stooges are sailors working in a ships' tailor shop. When they can't get passes to go ashore, they steal officers uniforms and go to a party with Curly passing himself off as Admiral Taylor and Moe and Larry as his aides. Two spies, one of them a beautiful woman, trick the stooges into stealing a new submarine. The boys turn the table on the spies and capture them. When the real Admiral shows up, Curly's reenacts the capture and accidentally detonates a bomb, blowing them all to kingdom come.

The stooges are firemen at a station that still uses horses to pull the engines. A salesman who wants to sell the chief some modern equipment plants gun powder in one of the engines. The chiefs daughter catches him and after a chase both are knocked unconscious. When a fire starts, the stooges respond to the alarm, but don't realize its their firehouse that's burning! Somehow they manage to arrive in time to save the girl, and the villain gets his just desserts.

Set in the Old West, the stooges are crooked gamblers swindling the residents of a frontier town. They are discovered and must escape into the woods. To elude the sheriff they disguise themselves as Indians. Their plan works until Curly, dressed as a squaw, is forced to marry a local tough guy. The stooges are unmasked and wind up in the hoosegow.

Set in Medieval times, the stooges learn they are of royal blood and vow to save the kingdom. They become the queen's royal guards but are sentenced to die when the queen is abducted on the orders of the evil prime minister. The stooges escape, free the queen, and end up knocking each other out.