A fatally shot female gangleader recounts her sordid life of crime to a police officer just before she dies.
After a beautiful but unsophisticated girl is seduced by a worldly piano player and gives up her out-of-wedlock baby, her guilt compels her to kidnap another child.
Magazine writer Ann Mason infiltrates the United Defenders, a public service organization which is actually a front for racketeers. But a case of amnesia threatens to blow her cover.