Just as the bead clerk and his assistants are closing up the jewelry store for the day, a package containing a very costly necklace arrives by special messenger. The large safe deposit vault has been closed for the night and the time clock set. The head clerk is fearful to leave the necklace in the store and so decides to take it home. His actions have been closely watched by one of the junior clerks, with sinister and stealthy glances.

Ralph Brooks, although engaged to Julia Dean, meets and becomes infatuated with Rita Reynolds. She gains his sympathy by telling untrue stories of her husband's brutality. They plan to run away together but while Rita is taking a large sum of money from her husband's safe, he returns early from a business trip and a fight ensues which results in her husband's death.

Sonny's daddy reads in the morning paper an article concerning the Pole, and explains it to Sonny, who unfortunately has been reprimanded for some trivial mishaps at breakfast and told that if such things happen again Shep will be sent away. In desperation he and Shep start out for the North Pole.

The Secret Kingdom is a 1917 silent action movie serial comprised of 15 chapters: 1. Land of the Intrigue 2. Royalty at Red Wing 3. Sealed Packet 4. Honorable Mr. Oxenham 5. Carriage Call #101 6. Human Flotsam 7. Ghost Ship 8. Rum Cay 9. Swamp Adder 10. A Goat Without Horns 11. The White Witch 12. The Shark's Nest 13. The Tragic Masque 14. The Portrait of a King 15. The Tocsin.

A widower with four grown daughters remarries and brings his new wife home to meet them. The girls set out to make life as difficult as possible for their new mother.

In a jewelry store, Grace Norris, a wealthy girl, unnoticed by the salesman, absent-mindedly takes a vanity case. She is seen by Fred Wright, who thinks she stole it.

George Darrel presents Helen Gray, his fiancée, with a very valuable engagement ring of antique design, which is an heirloom. They have a serious quarrel over Dave Brower, one of her friends, and Darrel leaves for the west.

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.

Dorothy Danesbridge is spoiled by her father and aunt, and through the influence of Phyllis, an old school friend and an ardent suffragette, becomes interested in Women's Suffrage.

The household of Senator Walker consists of himself, his ward, Mary, and his nephew, Herbert. The other members of his household are John, an old servant, Lucy the maid, and a half dozen more servants. John is smitten with Lacy. She doesn't take him seriously, owing to the difference in their ages. Mr. Walker, rather old and feeble, draws up his will and leaves the bulk of his property to Mary and Herbert. He bequeaths $5,000 to his faithful servant John. Herbert is very fond of his uncle. The old gentleman is very much attached to Mary and very desirous that she and Herbert should be wed at the proper time.