A young man finds himself forced to take a trolley car and a motorcycle in order to get to his wedding. Complications ensue.

Drama critic Stanley Ormsby, after giving a new play a negative review finds himself embroiled in a murder mystery involving some of the play’s troupe all occurring around Apartment 29.

Sir Philip Randall, a prominent judge, is fed up with the antics of James, his scapegrace son, and tosses him out of the house. The conflict between father and son leaves Mrs. Randall heartbroken, and when she dies, she makes her husband swear to help James if he ever needs it. When Joe Merrion, a bookmaker, is found dead, circumstantial evidence points to Squire William Rufford. Although Randall can't believe he committed the crime, he is forced to convict him and sentence him to prison. But later, when James, whose wild ways have left him penniless, comes to his father for help, Randall discovers that he was the killer.

Bobbie Walters, a cab driver in a Midwest city who is trying to save enough money to marry his sweetheart, Dorothy Wright, an attendant at the cigar and newspaper counter of a large hotel, is able to amass $15,000. He acts like a millionaire and soon is fleeced of the money by two Wall Street swindlers. Broke, Bobbie is forced to work as a bellboy at Dorothy's hotel. After a series of struggles and adventures, Bobby wins a fortune in the oil fields of Louisiana, despite the efforts of his rivals, who dynamite his oil derricks.

On account of an urgent business call, Mr. and Mrs. Leslie hurriedly close their summer home at Hudsoncliff and leave with their daughter, Jane, for the city. Bob, their son, decides to visit his parents at Hudsoncliff with his friend, Ralph Lyons. Bob and Ralph find the house locked up and, after some reconnoitering, enter through a window. Ralph hurts his ankle and is unable to attend a dance that evening, so Bob goes instead. Jane, on her arrival in the city, finds she has left her necklace in the safe at their summer home, and leaves a note for her mother, saying she is going back for it.

The two sons of Judge Stone, William and Wylie, are both in love with Nancy Sevier. Wylie is of a jealous temperament and believes he sees in Nancy's acceptance of his brother's attentions a proof of her preference for him. William monopolizes Nancy until Wylie is almost beside himself with rage and jealousy.

While waiting on a New York park bench for the return of her friends, country girl Jeanne Sterling meets Forrest Chenoweth, a rich young wastrel who, while drunk, registered for a marriage license with fortune-hunting Helen Dorr. Enchanted with Jeanne's innocence, Forrest proposes to Jeanne, and they are married by an alderman friend of Forrest's with the license that Forrest had taken out with Helen. That night Forrest drinks too much, falls in his room and kills himself. The scandal appears in the papers, forcing Jeanne to confess the marriage to her sweetheart Robert Pitcairn. However, Helen, in an attempt to acquire the Chenoweth fortune, claims to be Forrest's widow, thus disgracing Jeanne.

At a reception given for the vacationing Prince Zarl of Zorania, secretly the emissary of Zorania set on negotiating a treaty with the United States, Geoffrey Wynne, apparently a society dandy, but in reality a secret service agent, meets the prince. During the reception, Wynne is summoned to Washington where he learns that the treaty has been stolen and is being held for $15,000,000 ransom. Discovering that one of the thieves is an Italian named Farnelli, Wynne enlists the aid of his fiancée, Irene Mitchell, in apprehending the thief. Irene meets the Italian who offers to accompany her to New York. En route, Wynne overtakes them, chloroforms Farnelli and rips off his disguise to reveal Prince Zarl. Zarl then admits that he has stolen the treaty in order to cover his gambling debts.

Hal Page, the weakling brother of Stephen Page, the town mayor, falls in love with Carline Shrefton, who throws over Burt Staley to entangle Hal in her self-serving schemes. Furious over her abrupt departure, Staley shows up at Carline's, and a jealous fight with Hal ensues in which Staley is shot and killed with Carline's gun. After Hal confesses to the deed, Stephen quietly sends him off to Spain. One year later, Stephen announces his engagement to Marion Hayward, the daughter of the district attorney, who is pressing charges against James Reed, a corrupt politician and Carline's new husband. To save Reed, Carline threatens Stephen with exposure, but he refuses to bend to her demands. Just days before Carline is to reveal her story about Staley, Hal appears and confesses to Hayward that Carline is the true killer.

Businessman John Lawson is seriously injured in an accident, his wife Ruth travels from their New England village to New York to find a job that will support them both. Ruth works in a sweatshop at first, but then makes it big on Broadway.