In the slums of New York, David Darrow runs a settlement house called "The Angel Factory" in which he tries to help those oppressed by tenement life....

While honeymooning in Paris, wealthy John Battleby Watts is persuaded to purchase a $20,000 necklace for his capricious young wife. When the jeweler...

During World War I, John Stevens invents an anti-submarine device, but the plans are stolen by two German spies, the Baron von Wiederholtz and Madame...