At the urging of his wealthy grandfather, Willie O'Donovan is sent to boarding school by his preoccupied parents, neither of whom shows much interest in the lad. At school, where he falls in love with Mary, a country girl, Willie hears that his grandfather has died and left him $50,000,000 to be managed by whomever Willie is living with on his eighteenth birthday. Mr. and Mrs. O'Donovan, who are in the midst of divorce, both hire private detectives to bring Willie back to them, but after a series of close calls, Willie manages to avoid the detectives and take refuge at the home of Mary's mother.
Extra-marital fun and games at a convention of the Honeywell Rubber Company in Atlantic City. President J.B. Honeywell is to choose a new company sales manager. T.R. Kent and George Ellerbe are two salesmen who both want the job. However, they both get into trouble: T.R. is discredited when jealous saleswoman, Arlene Dale, interferes with his attempted seduction of Honeywell's daughter, Claire, and George attempts to seduce Nancy Lorraine. The position of sales manager is bestowed upon a drunken employee as a bribe after he catches J.B. about to visit "Daisy La Rue, Exterminator." Considered a lost film.
Georgie Burns is a conceited, athletic individual, who has turned his home into a gymnasium. His pretty wife is exceedingly vexed but cannot cure him of his love for strenuous sports. A forlorn tramp comes to the floor begging for a meal, and George promptly knocks him down.
A burlesque of a Spanish courtship, in which two rivals for the hand of a beautiful senorita battle with each other.
Mabel is in love with John, the country boy, but her father wants her to marry a Baron. She is locked up in a room, and her father watches her. John takes a bundle of cloth and makes a big firebrand which he throws into the window, at the same time yelling, "Fire." Dad runs for his life and Mabel jumps through the window into the arms of John, who hurries her to the minister's house. The ceremony is about to take place when Dad and the Baron rush in, and Mabel is led home again.
Si marries a guileless country maid, and receives among his wedding presents a bottle of liquor. The bride samples it in Si's absence, and being unaccustomed to drink, is overcome and falls on the table in a stupor. Si discovers her just as a party of neighbors are coming to congratulate the young couple and hides her in the yard, laying her on a bench. An inquisitive visitor finds her and reports to the constables that Si has killed his wife, and he is apprehended.
Three rivals are aspirants for the hand of Mabel. Dad falls asleep in a rowboat and is set adrift by one, who tries to win favor as a hero by rescuing him, using a motorboat going at lightning speed. He is exposed, however, and his work goes for naught, as Mabel clings to the man of her choice.
When Mrs. Harrison arrives in Harborsport for her vacation, she announces her plan to marry Gladsome, her daughter, to Vincent Bradshaw, the son of her financial advisor James Bradshaw. To keep Gladsome from socializing with the local fishermen, James drives them from his property, but they organize under her and force their way back. Arrested for rabble-rousing, Gladsome is bailed out of jail by James and later meets "Alphabet" Carter, a vacationing financial wizard, for whom she has an immediate attraction.
When an aviator dies performing in a traveling circus, the circus closes and sideshow con men "Sky-High" Billy Wardell and "Domino" Dominick are arrested for giving out fake watches to wheel of fortune winners. After Domino springs the jail's lock, they jump a freight train and arrive in the next town, where Billy falls in love when Jane Higgenbotham allows them to breakfast on her freshly baked pies.
Robert "Bob" Wesley horrifies his father, Admiral John Wesley of the Naval Advisory Board, by failing his examination at the Annapolis naval academy. Bob seizes the chance to redeem himself, however, when he overhears Hanson, the butler, plotting with German agent Count Von Ornstorff to deliver his father's plans for the Atlantic coastal defenses to German Baroness Von Hulda. In Baltimore, Bob meets the baroness' ship and, with the aid of an old college professor, makes her his prisoner. Having impersonated a woman in the college play, Bob disguises himself as the baroness, rendezvous with the spies, and obtains the plans.
Richard Bolton, a timid bookworm, is too shy to declare his love for the beautiful Helen. While she remains unimpressed, however, the Countess Wintershin pursues him relentlessly, to Richard's embarrassment and her jealous husband's dismay.
Upon seeing millionaire Lee Brooks's picture in the paper, Julie Le Fabrier, a romantic young model in Madame Swan's dress shop, immediately falls in love with him. Soon afterwards, Julie is sent to the Grand Tides Hotel to deliver a dress to Madame Ricardo, an attractive young woman whose bills are paid by Lee's lovestruck father, Mason Brooks. Having seen her husband, whom she believed to be in South America, on the grounds, Madame Ricardo deserts the hotel, so Julie dons the gown and masquerades as Mason's mistress.
According to Richard Standhope's will, both his daughter Laura and her long-lost twin brother Larry must be reunited by a certain date, or the estate will revert to her avaricious guardian, Andrew Brean. Following Standhope's death, Laura and her sweetheart, Jim Watson, read in her deceased mother's diary that Andrew had broken up the Standhopes' marriage soon after the twins' birth by unjustly accusing Mrs. Standhope of infidelity. Laura was then sent to boarding school, while little Larry, placed in his father's care, was neglected and later became a thief. As Laura and Jim ponder Larry's whereabouts, the house is robbed by none other than Larry, now called "the Kid," and his cohort, "the Snail."
Roma Wycliffe, a high-spirited girl bored with the lavender-and-old-lace atmosphere of her Aunt Henrietta's estate, discovers that her grandmother was a gypsy and decides to become one herself.
Muggsy Mulane, a waif who wears boy's clothing, jumps a freight train to the country after Jimmy "the Eel," the leader of the gang of crooks with whom she works, is arrested. In the village of Cottonville, Muggsy befriends Aunt Sarah, whom she later discovers is Jimmy's mother. When Muggsy learns that the greedy Judge Cotton, who holds the mortgage on Aunt Sarah's property, is planning to foreclose, she threatens to blackmail him, and he relents.
Struggling young painter Ruth Elliott has written her Eastern friend Mildred Colburn that she has gained fame in the West as an artist. When Mildred stops to visit on her way to Honolulu, Ruth hires Peter Neyland to pose as her chauffeur for five hours. Peter is actually a wealthy young man who accepts the offer as a lark.
Elena Evans is raised by her puritanical Aunt Elvira, who believes that because of Elena's mother, Elena possesses "the scarlet strain."
The Simpsons go for a picnic in the woods. After luncheon, while mother and father enjoy a nap, Betty, their beautiful daughter, strolls away, picking flowers. When near a hillside, Betty sees a snake and screams. She starts to run away, but bumps into Billy Gilwater. He kills the snake and Betty calls him a hero.
A strike among the hotel waiters is on. The papers are full of it. Chester Colton, and Harris Baldwin, young college chaps, read that waiters are needed in all the big hotels and restaurants. They apply for positions at Belfonte's restaurant. Harris secures a job as head-waiter and Chester is appointed as one of the regular staff. Harris's fiancée has an engagement with her chum to take dinner with her at the restaurant. They boys pay so much attention to the girls that they neglect the other patrons, who make a kick and complain to the proprietor.
A small boy, Bobby, substitutes some counterfeit which is intended for stage use for a real roll of bills. Two crooks steal the counterfeits on a sleeping car, and when they present one after the dinner which they hold in celebration they are promptly arrested.