Dr. Henry Jekyll experiments with scientific means of revealing the hidden, dark side of man and releases a murderer from within himself.

An Englishwoman misbehaves in Canada, driving a traveling companion to suicide and bearing a secret child whom she whisks away. When she returns to England to receive an inheritance, her bad deeds catch up to her. The film is presumed lost.

BY DAY a beautiful wife-accepting a husband's humble love, his humble home, his humble pleasures. BY NIGHT a glittering butterfly yearning for the wine of life and tossing all to the winds when the glamour of romance calls.

A powerful financial magnate is plotted against by his greedy son.

Two flappers try to get their newspaper reporter boyfriends to pay attention to them.

Elaine Kent weds Kenneth Billings, a young man who has a taste for wild living. She attempts to reform him and his exasperated father disinherits him. Now that he is without money, Kenneth starts a dye business and he proceeds to throw himself into it with the same amount of effort he once spent on the high life. As a result, he overworks until he is on the verge of a nervous breakdown.

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.

Former miner Daniel Slade becomes a wealthy investor and runs for political office, ultimately becoming the governor of his state. Daniel's wife, Mary, is unable to adjust to a life in high society, often embarrassing him in the presence of his colleagues. Temptation arrives in the form of Katherine Strickland, the daughter of a prominent senator, who takes Daniel away from his old-fashioned wife. However, Daniel eventually realizes how much he loves Mary, and he returns to her.

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.

The founding of the first English colony at Jamestown, Virginia, in 1612 and the many problems that confronted the struggling colonists are depicted.