Erstwhile childhood friends, Judah Ben-Hur and Messala meet again as adults, this time with Roman officer Messala as conqueror and Judah as a wealthy, though conquered, Israelite. A slip of a brick during a Roman parade causes Judah to be sent off as a galley slave, his property confiscated and his mother and sister imprisoned. Years later, as a result of his determination to stay alive and his willingness to aid his Roman master, Judah returns to his homeland an exalted and wealthy Roman athlete. Unable to find his mother and sister, and believing them dead, he can think of nothing else than revenge against Messala.

An American falls for the princess of the Kingdom of Graustark, and decides to her marriage to a dastardly prince.

The daughter of a railroad magnat has to take charge when her father unexpectedly dies. She uses her outdoor survival skills to kidnap a business rival to save the company from a stock market struggle.

Barry Gordon, the older son of a Virginia colonel, inherits a taste for alcohol--a habit that caused his father's death. His brother, Tom, falls in love with Muriel Beekman, their guardian's daughter. Barry also loves her but feels rejected. Three years later, after extended travels, Barry learns that Tom, having been sent to Morocco by Mr. Beekman, has been captured by desert marauders and is being held for ransom. He begins a search for him and in Tangiers encounters the Beekmans and Kitty Van Ness. Barry and Muriel discover their love for each other, but he refuses to commit himself while Tom is still alive.

Judge Robert Appleton (Winter Hall) has led an exemplary life. His four children, however, fell short once they grew up and had to fend for themselves. When Appleton dies, his widow (Lydia Knott) explains that his last request was that each child spend one hour of contemplation with his body. The first is the youngest daughter, Daisy (Rosemary Theby), an artist of note who was betrayed and left with a son to raise out of wedlock. Next is Luke (Milton Sills), a wild young man who ran away at 19, and even though he is now married and a father, he still can't quite settle down. The eldest son, Bob (Wilfred Lucas), is next -- he wed a wealthy woman, but the marriage has no love.

Chinese merchant Wing Lung and Elizabeth Mendall, an American, marry and have a son named Jang Lung. Because Elizabeth wants Jang Lung to be raised as a Christian, Wing Lung locks her in the cellar and she becomes insane. Jang meets Marcell Matthews at an Eastern university, and she returns with him to San Francisco to be married.

Stephen Stephani leaves Nordhoff with his daughter Mary to visit Zandria, an enemy country, where he tries to steal the war plans of the hostile nation. There, Mary meets Paul Ekald, a Zandrian captain, falling in love with him at first sight. While Mary remains in Zandria for the moment, Stephani returns to Nordhoff. Meanwhile, Vesta, Mary's illegitimate half-sister, has managed to get hold of important war plans stolen from Count Wenzel. But, to get them, she had to kill the count.

Framed for embezzlement, an English nobleman flees to America, eventually finding romance in Wyoming with a young Native-American. This is the 1918 remake of the 1913 original, the first feature length Hollywood film. It is considered to be a lost film with only one reel still extant.

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.

A candidate for governor, eager Gerald Harper persuades his equally ambitious wife Carol to enlist the aid of her friend Diana Casper, whose influence with political boss Jarvis Flint could help him win the election. Carol agrees to speak to Diana on condition that Gerald temporarily assume her work in the city's tenements.