1909
Hidalgo offers his daughter's hand in marriage when he can't repay a loan to Manuella. But when Manuella overhears the daughter bidding farewell to her lover, he is so moved by their devotion that he cancels the debt.
1924
John Reeves, steel magnate, wagers with his son Chester that he can earn twenty dollars a week and live on it. He procures work in the office of William Hart's steel plant. Against her brother's wish, Hart's sister Muriel adopts a little boy. Hart evens up by adopting John Reeves as his father. Reeves foils James Pettison's plot to ruin Hart. Chester also makes good as a workman and wins the affection of Hart's sister. The father reveals his identity and takes Hart as a partner.
1918
U.S. Secret Service agent Truxton Darnley attires himself as a sailor and boards a schooner owned by arms smuggler Gus Olsen, who is in the employ of German spy Von Linterman to smuggle arms to German raiders in the South Seas. Truxton learns Gus’s plan to blow up the National Munitions Plant in San Francisco, just before his identity is discovery and he is thrown overboard. Washed ashore on the island of Moana, Truxton meets native girl Lurline. Promising to return to her, Truxton boards a steamer bound for San Francisco to foil the plot and soon afterwards Lurline’s father sells her into marriage with Gus. Escaping to Truxton's steamer, Lurline sails to San Francisco where Gus abducts her forcing her to dance in his Barbary Coast saloon. Truxton raids the bar, kills Gus is killed and the lovers are reunited.
1914
Robert Stevens robs the bank where he is employed, and through the efforts of Calvin Stedman, the prosecuting attorney, he is sentenced to six years' imprisonment. While in jail his wife dies and his little daughter, Agnes, is placed in a convent.
1933
Muriel Rossi (Mary Brian), the sister of a racketeer, Al Rossi (Harry Woods), falls in love with Bob Martel (Bruce Cabot), the son of a police detective, Joe Martel (Grant Mitchell). Their love affair causes bot families problems when Bob is framed, but saved as a result of his father's access to police department films.
Office boy Bill encounters a group of anarchists and inadvertently involves one of them in a scheme to open a safe. The "W.W.W.'s" stands for "We Won't Work", a comedic take on the real-life labor movement, the Industrial Workers of the World (IWW, or "Wobblies").
1917
A young man with little ambition is given an opportunity to set himself up in business by means of financial support from his father. But the young man becomes involved in a shady railroad deal which threatens to destroy his own father.
1943
District Attorney Holden and his special investigator Betty Higgins are trying to convict brothers Joe and Lou Manson, silk-racket hoods, after they are indicted for murder.
1946
Larry Brewster, partner in the music publishing firm of Brewster and Crow, returns from a trip to find that his partner, J.C. Crow has hired Pat O'Rourke as a song plugger.
1929
When his aunt disapproves of his marriage to Mabel Deering and threatens to disinherit him, Percy elicits the aid of his buddy Billy Haskell, who is engaged to Eileen Stanley. It is arranged that Billy and Mabel be found together in compromising circumstances by Percy and his aunt, but matters are complicated by the arrival of Billy's uncle in the city, and Aunt Emma becomes very fond of him. All is subsequently explained and thoughts of "divorce" are smoothed away as Uncle Todd couples up with Aunt Emma, and Billy and Eileen, and Percy and Mabel, reinstitute their carefree engagements.
1920
Dr. Stannard Wayne -- like all "good" men of the times -- is a God-fearing soul. He marries the former mistress of his friend, Dr. Arthur Richards, without knowing her past. Richards, an abortionist, resumes his affair with the woman and runs off with her. But before he leaves, he frames Wayne for one of the illegal operations he has done, and the innocent man is sent to prison for five years. When he gets out, Wayne has become angry and cynical.
1921
Clay Whipple is convicted of murdering the governor following an incident involving a cat's eye pin. Whipple is sentenced to death, but a mentalist named Psychic Jack believes he is innocent since Whipple had been hypnotized at the time of the murder. The psychic persuades the judge to grant the condemned man a retrial, and he sets out to uncover the identity of the real killer, during which time he manages to prevent a second murder from occurring.
