The Great Air Robbery(1919)

In the Jacobite Rising of 1745, the Young Pretender Bonnie Prince Charlie leads an insurrection to overthrow the Protestant House of Hanover and restore his family, the Catholic branch of the House of Stuart, to the British throne.

Joe Henry, head of a one-ring circus, plays a small town and after the departure of the troupe a young girl, fascinated by the prospects of being a star, follows. She is engaged and her presence causes jealousy on the part of Joe's sweetheart.

Ranch hand Jack Harlan comes to the aid of his girlfriend’s father when his ranch is threatened by an outlaw gang led by a woman known only as "The Hellion".

In the Roman Coliseum, at the beginning of the Christian era, the Emperor Turnerius, accompanied by his favorite, Nerissa, watches the bestial games in the arena. His son Gordian is asked by Grimaldo the magician to save the life of a Christian girl about to be thrown to the lions. He refuses, whereupon Grimaldo prophesies the fate of the Empire by telling the prince a story of the future: Two thousand years hence, in New York, a parallel situation takes place in which a young man is led to put a stop to the base plans of his father. The prince is so deeply affected by the injustice of the story that he plunges into the arena to save the girl, causing the emperor to die in a fit of rage, thus precipitating the coronation of his son as the new emperor.

Gennaro, the son of Lucretia Borgia, lives unaware of the identity of his mother, who has married the Duke of Ferrara. After Lucretia's brother is killed by five conspirators, the fathers of Gennaro's dearest friends, Lucretia tortures the old men to death. Later, Gennaro and his companions journey to Lucretia's domain, and she sees her son for the first time. The Duke, who believes him to be her lover, poisons him, but Lucretia administers the antidote in time and saves his life. Then she schemes to poison her sons' five friends for their fathers' mistake.

An assassinated Lord's daughter refuses to marry a Chinese prince but agrees to be his mistress.

Captain of the Yale football team, Paul Potter becomes engaged to his small-town Indiana sweetheart Sylvia Castle but once in the big city he becomes involved with married society girl Muriel Evers and finds Sylvia too provincial, ending their engagement. In time Sylvia meets alcoholic actor, Henry Leamington, who encourages her to become an actress while she helps him get sober. In New York she finds success and becomes reacquainted with Paul for whom she still has feelings, but comes to realize he is a lout and returns to Henry.

Lisza Tapenko (Bara) is governess in the household of Prince Arbasoff (Charles Clary). After the death of his wife, Lisza and he become involved, but because of the difference in social station he refuses to marry her. Lisza's former lover, Vassya (Richard Ordynski), convinces her to join the revolution and she goes off to the group headquarters in Switzerland. But the prince's little boy begs to have Lisza come back, so he goes after her and marries her.

A young woman of humble origins hides her family's lack of wealth and prestige from her boarding school friends.

Bessie Barriscale and Nigel Barrie play Ellen and Gibbs Josselyn, a young married couple who have spent several years in Europe while Gibbs, an artist, developed his talent. When they return to the States, they stay with Gibbs' father (Tom Guise) and stepmother (Kathleen Kirkham). Gibbs had never cared much for his stepmother, Lillian, but now he warms up to her -- a lot. Lillian is much younger than her husband and begins spending a suspicious amount of time with her stepson.