Dr. Mureaux, a widower, has an only daughter, Ruth. One night when her father is away, a burglar breaks into the house. Ruth displays great courage, winning the admiration of the intruder. She questions him about his mode of living and finally induces the man to promise that he will return in a few days when she will do all in her power to get him an honest job.

Margery Carew and her widowed sister, Anna Prentice, find work in a brokerage firm, James Gray, the junior partner, soon falls in love with Margery, while his boss, William Cleves, does his best to seduce Anna. In fighting off William's advances, Anna kills him, but Margery, hoping to protect Anna's child, takes the blame and then escapes to the West, after which she gets married and begins a new life. Following a lengthy search, the police manage to track her down, but Margery still refuses to save herself by telling the truth about the murder, even though Anna and her child died several years before in a car crash. Finally, however, because he still loves her and because he has been stricken by a deadly disease that will kill him in a few months, James confesses to the murder, thereby freeing Margery to return to her husband.

Sick of life in the city after his fiancée deserts him, Merrill Day goes to the country for a rest with his sister and niece. There he meets Joan, who has lived in the hills for her whole life, and they quickly begin a romance. Grekko, however, a hunchback who has loved Joan for years, convinces her that Merrill's sister is really Merrill's wife.

When Mary Murdock is forced by circumstances to choose between the street and theft, she is caught breaking into the home of Robert Howard and is sentenced to prison. Unable to find employment after serving her prison term, Mary seeks out Howard and finds him about to commit suicide, depressed over his wife's leaving him for another man. Mary saves his life and convinces him to champion the cause of prison reform, in which he proves so successful that he is appointed warden, placing him in conflict with the political boss.