When Marie St. Clair believes she has been jilted by her artist fiance Jean, she decides to leave for Paris on her own. After spending a year in the city as a mistress of the wealthy Pierre Revel, she is reunited with Jean by chance. This leaves her with the choice between a glamorous life in Paris, and the true love she left behind.

Set in the years before and during World War I, this epic tale tells the story of a rich Argentine family, one of its two descending branches being half of French heritage, the other being half German. Following the death of the family patriarch, the man's two daughters and their families resettle to France and Germany, respectively. In time the Great War breaks out, putting members of the family on opposing sides.

President Franklin Roosevelt appoints a theatrical producer as the new Secretary of Amusement in order to cheer up an American public still suffering through the Depression. The new secretary soon runs afoul of political lobbyists out to destroy his department.

Josephine Spiggins is thinking of marrying John Spear, the stuffed-shirt son of a department store owner. When John's free-spirit brother Tony returns from touring the South Seas in his boat, the "Vagabond Lady," Jo is attracted to him instead.

The queen of a mythical European nation flees to America when a general threatens to overthrow her government.

Jay Rountree, a young, rising businessman and a son of a wealthy manufacturer gets caught up in a web involving an escort service or 'party girls' and trapped into an unhappy marriage.

Two men, Philip Whittemore (Henry B. Walthall) and Thorpe (Harry Northrup) both go to the Northwest to gain the right-of-way for their railroad company from D'Arcambal (Emmett King). Whittemore arrives first and D'Arcambal refuses to meet with him until he saves his daughter, Jeanne (Pauline Starke) from going over the rapids. Then Thorpe arrives and tries to use force by kidnapping Jeanne and insisting that he is her father.

In her sixteenth year, Wing Toy learns how as an infant she was brought to Wong, a Chinese laundryman, by a former convict known as The Mole and that her father was Chinese and her mother American. Later, to give her a better home, Wong pledged her in marriage to Yen Low, a powerful and unscrupulous underworld figure, when she would come of age. Yen Low plans to divorce his American wife, White Lily, and marry Wing Toy. The intervention of reporter Bob Harris leads to the release of Wing Toy; Yen Low is killed by White Lily; and Wing Toy's engagement to the reporter becomes possible when it is revealed that she is the daughter of the district attorney.

Jim Wyngate, an English aristocrat, comes to the American West under a cloud of suspicion for embezzlement actually committed by his cousin Lord Henry. In Wyoming, Wyngate runs afoul of cattle rustler Cash Hawkins by rescuing the Indian girl Naturich from Hawkins. Wyngate marries Naturich, but then learns that his cousin Lord Henry has been killed and has cleared his name before dying. As Wyngate has long loved Lady Diana, Lord Henry's wife, he is perplexed at his situation. But fate takes a hand and resolves matters as Wyngate could not have predicted.

The fathers of Isabel Channing and Howard Billings were good friends until they had a falling-out over a horse and swore to be enemies forever. Years later, Howard is seen returning from college and Isabel, who has lost her,is working hard to keep the old homestead (and stables) together. Thornhill is trying his best to cheat her out of everything. Howard takes a hand.

At the outbreak of the War Between the States, Maryland Calvert is loved by Maj. Alan Kendrick, son of a Virginia general, and Capt. Fulton Thorpe. Nancy, whom Thorpe has loved unwisely, follows him to Washington and commits suicide when she learns he will not marry her; as a result, Alan is forced to request his resignation. When Fort Sumter is fired upon, Alan, who admires Lincoln's principles, joins the Union Army though his father is among the Secessionist leaders; as a result, he is estranged from Maryland. Thorpe, who has joined the Confederacy as a spy, is responsible for Alan's arrest, but Maryland victoriously comes to his aid by ringing the alarm bell.

When her drunken father dies from falling downstairs on the night of her engagement announcement, Helen Winthrop finds a note from him warning that drinking has ruined the family's past four generations. She breaks her engagement to lawyer Robert Craig so that she can test herself as she fears that her children might inherit the habit. After sacrificing her reputation to save that of her adulterous married friend Stella Scarr, Helen goes to a resort hotel where she wins a tennis tournament and flirts with Percy Farwell, the son of social climber Mrs. Honorah Farwell. In order to break up her son's romance with a supposedly disgraced woman, Mrs. Farwell hires Robert Craig.

Geological expert John Leighton naïvely introduces his flirtatious wife Emily to his boss, W. G. Griggs. Griggs sends John to the Graypeak district to prospect for quarries and is soon involved in an affair with Emily. While in the mountains, John rescues Enid Arden from an attack and she falls in love with him. Returning home John discovers the affair and leaves Emily. Emily and Griggs go to Europe to avoid a scandal and while there start divorce proceedings. But Griggs’ philandering ultimately costs him his life and Emily tracks John to Graypeak. Although she tries to win John back a fateful train ride clears the way for John and Enid to face a happy future together.

Naomi is a young aspiring artist known to her Bohemian friends as "The Nut." Naomi's alleged nuttiness does not in any way impede the efforts by wealthy Frederick Harmon to make the unworldly heroine his bride. When their first baby is born, Naomi becomes so obsessed with motherhood that she completely ignores poor Harmon, who, to offset his loneliness, begins squiring the vampish Helen Carew. Helen manages to convince Harmon that Naomi has been unfaithful, leading inevitably to divorce-court litigation.

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.

A wealthy Parisian surgeon finds himself serving time in a brutal penal colony.

In an Alaskan mining camp, James Leyburn runs off with his gold prospecting partner Alexander Hendrie's wife Audrie and son Frank. Caught in a blizzard, James deserts them in order to save his own life. Audrie dies, and the little boy is taken to live with his mother's half sister Monica Norton. A few years later both James and Alexander are wealthy men. Alexander meets and falls in love with Monica, neither aware of the other's identity.

Shortly after arriving in the West, James Van Dyke Moore, an Easterner fleeing from a soured love affair, has his courage tested when "Ace High" Horton, the town bully, threatens to take over the family mine. Forced into battle, the tenderfoot stands his ground against Horton, an act that impresses pretty Mollie Anderson.

Gamblers Dave Hume and Ed Felton are rivals for the love of Babe Lennox, a chorus girl. Hume informs on Felton, and though the latter is arrested he is released on bail, and Talbot, the attorney, warns Hume to stay clear of him. Hume, who is in ill health, determines to commit suicide, making it appear that Felton killed him; and (concealing a record of his plans on a small statuette) he makes a wager with Felton that he can do so.

William Grogan, lives in New York City and meets the outside world only through the little basement window of his plumbing shop. One day he sees and falls in love with a pretty pair of feet, belonging to Ruth Warren, a schoolteacher who is lusted after by Norton Colburton, a dissolute playboy. Ruth is about to marry Colburton, but at the last minute runs away and decides to take a Cook's tour. On the boat, she meets Grogan, who has inherited a fortune, and recognizing the feet, he falls in love with their owner.