Heart of Twenty

Robert Lanning, a proper Bostonian who owns an estate in southern New Mexico, suspects that some of his employees are smuggling arms into Mexico, and sends his son, Robert Jr., to investigate. During his journey west, Robert meets Mary Hamilton, a stranded actress from a roadshow company of Uncle Tom's Cabin. Because Mary is still in costume as the character, “Little Eva,” Robert mistakes her for a child and takes her with him to the ranch. He ultimately discovers the identity of the arms smugglers and, with the help of the Mexican Rurales, brings the gang to justice. Robert then realizes that Mary is not a child and wins her for his wife.

Mike Kildare, a swaggering youth from New York City's Bowery at the turn of the century, comes to the defense of Mamie Rose, a mender in a secondhand clothing shop, when his own gang of Irish-Americans insult her.

A respectable Paris jeweller becomes engaged to a celebrated performer of the Montmartre cafes.

Maud and Cecil have been in love since they were children in the pre-Civil War South, but Howard, Maud's domineering brother, disapproves of a marriage between them. Instead, he has chosen English nobleman Lord Lovelace as the ideal fiancé for Maud. On the night that the engagement is to be announced, however, she elopes with Cecil. The runaways are caught, though, after which, because of her loyalty to her brother, Maud sends Cecil away. When the Civil War begins, Howard, Lovelace and Cecil all volunteer, and are all soon reported killed in action. Heartbroken, Maud decides to become a nun, and takes her vows just moments before Cecil, whose death was mistakenly reported, returns from the battlefield and comes to the convent to ask her to marry him.

Very wealthy Bettina is also very reluctant to get married. She changes her mind in a hurry when she meets Reynaud, the nephew of Abbe Constantin, the poverty-stricken religious leader of the small French village of Longueval.

Gabrielle Picard (Elda Hall) and Pierre Dupont (Rupert Julian) are lovers in a small French village in the early 1870s; Gabrielle's brother Anatole (Kingsley Benedict) is Pierre's best friend. The two young men are called to service by their country and go to Algiers. Anatole becomes the bugler and one day when he is commanded to sound the retreat, he sounds for the troops to charge instead. Anatole becomes a hero because of his action, but when the two men make their victorious return home, they find the Picard home ransacked and Gabrielle gone.

Though a spendthrift and a layabout, Lord Arthur Waring (J. Warren Kerrigan) is universally loved by his tenants. The same cannot be said for Arthur's half-brother Mark (Bertram Grassby), a tyrannical tightwad. Disowned by his family, Arthur finds himself strapped for cash when he promises to finance the operation of Helene von Gerald (Lois Wilson), whom he accidentally crippled in a riding mishap.

Upon hearing about a woman dubbed The Huntress because of her wild attention craving ways, Fleming Harcourt decides he can domesticate her and they marry. He takes her to settle down in a mining town, however she soon becomes bored and returns to the city and her lavish parties with plenty of adoring male admirers. Fleming decides to make her jealous by flirting with other women. When the Huntress hears the rumors of his affairs, she soon realizes her one true love is Fleming, and they are happily reunited.

A young girl is kept ignorant of her mother by her aunt. After her aunt dies, the girl is used by crooks and arrested. In prison she meets a kindly woman, who is married to a judge. The woman, unbeknownst to the girl, is her mother, and adopts her. The companion of the deceased aunt, in the midst of a ball, denounces the mother and reveals her secret to the judge and guests. The judge will not forgive his wife, so the mother and daughter leave and work among the slums to benefit humanity. Eventually, the judge relents, and seeks his wife for forgiveness, but he is too late.

A widow's husband returns after her second marriage, and dies while assaulting her.