"My heart is ice, my passion consuming fire. Let men beware," exclaimed Theda Bara (via an inter-title, of course) in this "Vamp" melodrama based on Grabriele D'Annunzio's 1898 story La Gioconda.

Jack Calvert bets four friends that he can travel from New York to Constantinople without a cent.

After running away from an orphanage, young Alicia Jones disguises herself as a boy and gets a job on a farm. She falls in love with Harry Deigan, a farmhand who knows her secret, but when the farm's owner finds out, he fires her. Alicia is forced to return to the city, where she meets up with a wealthy man who adopts her. He turns out to be Thomas Deigan, the half-brother of Alice's love Harry Deigan. Harry finds out that Thomas is his half-brother, but also finds out something that could change his, Thomas' and Alicia's lives forever.

Andrew Sheldon is so busy perfecting a new explosive for the United States effort in World War I that he fails to realize that his butler, cook, housekeeper and chauffeur are all German spies. His two mischievous daughters, Jane and Katherine, however, make life difficult for the spies by throwing pies at the Kaiser's picture and clipping the butler's long, Prussian-style mustache while he sleeps. When Andrew's wife announces that she is pregnant, he tells the girls that he has written a letter requesting a baby brother for them, whereupon they decide to steal the letter, convinced that two children are enough for their family. Breaking into Andrew's laboratory, they take the "letter," actually the secret formula, but after Andrew reveals that his plans are missing, the butler enters the laboratory and seizes the invention itself.

Grace Leonard, a typical woman of the New York stage, beautiful but old in sin, seduces William Craig, who becomes a thief in order to shower luxuries upon her. He is sentenced to prison and emerges five years later as a sad-faced, gray-haired man, entirely cured of his mad passion for La Valencia. But she sees him and her old passion is stirred, meaning nothing to her that since his release from prison, he has fallen in love and married a good woman who knows nothing of his past. When William is not swayed by her fascinations, Grace threatens to expose his past life. A lost film.

When their father is reported missing at the front during World War I, Jane and Katherine are stamped and sent by parcel post across the country to their Aunt Lucille Forrest in New Jersey. The two girls manage to smuggle their dog into the mail bag as well. Aunt Lucille is in love with Lt. Tom Hayes, but she is angry with him after he resigns his commission at the start of the war. She does not know that Tom is in the Secret Service, and she becomes jealous of a female spy whom Tom is trailing. Jane and Katherine's mischievous pranks finally assist in capturing the spy and the secret plans, and getting Aunt Lucille back together with Tom.

Francesca Brabaut, who married an artist against her father's advice, regrets her decision when her husband Antoine, in debt, sends her to his misanthropic uncle to plead for money.

This was Theda Bara's third starring film, and the first which she carried all on her own, with no other name actors in the cast. Based on the Alexander Dumas story, The Clemenceau Case involves Iza, a vampire-wife (Bara), whose wicked ways scandalize her husband, Pierre (William E. Shay).

Fearing that his daughter Patsy is becoming a tomboy, John Primmel sends her to a friend back East for education and refinement. Arriving in New York, Patsy discovers that her father's friend has died and his apartment is now inhabited by his son, Dick Hewitt. Dick allows Patsy to stay, and they hire a maid, a housekeeper, and a butler.

Unscrupulous stockbroker George Howard convinces Robert Sterling that he is having an affair with Robert’s wife Helen aided by Robert’s former flame, Rita Lawson who wants him for herself. Though Robert believes the lie, divorcing Helen and gaining custody of their child, Helen still wants nothing to do with George. Mad with desire he kidnaps her daughter and demands Helen sleep with him for the girl’s safe return. Forced into a corner, Helen agrees but once her daughter is rescued a struggle ensues with George and he is shot dead. Helen, cleared of wrongdoing reunites with Robert who has realized his folly.

Mary Doone (Theda Bara) is a poor British girl who runs away from her adopted family because the father made a pass at her. She lives at a parish house, and at the outbreak of World War I, she becomes a Red Cross nurse.

Little Kate and Janie O'Dowd are sent to their wealthy American uncle, Michael O'Dowd, after their Irish father loses his life on a World War I battlefield. Having been locked accidentally into O'Dowd's munitions plant one evening, the children catch sight of their intoxicated cousin Miles O'Dowd admitting two men into the factory. The girls recognize the two as spies they had seen on the boat to America sending signals to a German submarine. After the spies knock Miles cold, the children trap them in a die-stamping machine until help arrives.

As the name suggests, this two-reeler contains racial stereotypes common in its day (the Teens) but which are offensive to modern sensibilities. With vaudevillians Jane and Catherine Lee and a large African-American cast.

Ellinor, who was unofficially adopted as an orphan by 'Old Peter,' who maintained a lighthouse on a virtually deserted beach, has grown up wild and nearly silent. As she blossoms into full womanhood, she longs to know more about the world. One day a mutinous sailor swims to shore and declares that they are married, after tossing a pair of rings into the sea. He soon flees, but promises to return for her. Wealthy widower George Hudson, the richest man in the nearby port village, also falls for the fascinating, attractive young woman. He convinces her to go to a finishing school for a year and then marry him. They both find that the sea still holds a powerful pull on the soul. Which is stronger: love or the sea's magic spell?

Twin sisters Anne and Katherine are separated as children when their parents decide to go their separate ways. Under her mother's influence, Anne develops into a respectable young woman, while Katherine, under her father's tutelage, becomes a callous adventuress.

Letters from the late mother of orphaned sisters Jane and Katherine seem to indicate that their father is Capt. Bob Dutton. Under orders from his superior, Colonel Harding, to acknowledge the children or quit the service, Dutton accepts responsibility for them. Shocked by his presumably checkered past, Cecile Harding, Dutton's fiancée and the colonel's daughter, breaks their engagement. One evening Jane surprises Capt. Robert Duncan, Dutton's rival for Cecile, stealing Bob's papers.

Jane and Katharine are the sweetest youngsters in the world, in their mother's eyes. The family is summering at a seaside resort when mama is called to town for a week. Not wishing to interrupt her darling's good time, she has her young bachelor brother come to the hotel to take care of the children until she returns. "Billy" Parke undertakes the job.

Variety short from Warner Brothers' Vitaphone unit: acrobats, a sister act who sings about their days as child movie actors -- two decades earlier -- and dance, a group who sing "Nagasaki", and an acrobatic monkey act to end it all.

Orphaned sisters Kate and Irene are separated as children, but each keeps half of their mother's wedding ring. Years later Irene marries John West, the head of a munitions camp. Kate, as fate would have it, happens to run the saloon in the camp and she and Irene become friends, but neither has any idea that the other is her long-lost sister. Matters take a turn for the worse, however, when Kate starts a romance with Cliff, Irene's adopted brother--a relationship that Irene strongly disapproves of. Complications ensue.