Janet Rigsby loves Richard Morgan, a Denver college student, but loses him when he is caught in a fire. Shortly after Richard's presumed demise, Janet leaves her home and bears a son out of wedlock. Over the years, she struggles to make ends meet while raising Bud, her son, on her own. Although her savings are small, Janet manages to send Bud to college. Chastised for his poverty and illegitimate birth, Bud, who is in love with the college gardener's daughter, suffers the ridicule of his peers and eventually comes to blows with and threatens one particular boy for insulting his mother. In the ensuing confrontation, the boy is killed and Bud is arrested for the crime. During the course of the trial, Bud discovers that the district attorney is Richard Morgan, his father. The testimony of one expert witness reveals how the murder in truth was committed, and a liberated Bud happily reunites with his mother and new-found father.

After a brief and unhappy marriage, Gladys Dale finds work as the companion to Diana Dorset, the daughter of a society matron. Mrs. Dorset also has a spendthrift son, Robert, who makes a number of unwelcome advances to Gladys. However, with the arrival of Edwin Fairfax, Mrs. Dorset's younger brother, Gladys finds a soul mate. But then Fairfax has to report for duty in France (being as World War I is going on) and he leaves.

Convent raised Doris Elliott moves to New York to live with her brother Richard not knowing that he is part of a drug trafficking ring controlled by unscrupulous ward boss Michael O'Leary. At first Doris remains ignorant of the pervasiveness of crime and corruption in the Lower East Side until her friend, Mamie Bronson, whose brother, "Dopey Benny," has fallen victim to drugs, confesses that O'Leary has raped her. When O'Leary breaks into their home and attempts to rape her as well, he is shot when Richard unexpectedly arrives. Finding O'Leary dead and Richard unconscious, the police arrest Doris, and she is tried for murder. Defense lawyer Thomas McDonald, who has been working to expose the politician, is losing his case when Dopey Benny testifies that he killed O'Leary to avenge his sister's assault. Acquitted Doris is now free to marry Thomas.

Thrown out of her home by a jealous husband, a woman sinks into degradation. Twenty years later, she is charged with killing a man bent on harming her son. The son, unaware of who the woman is, takes the assignment to defend her in court.