When his wife Grace inherits her father's stock, John Miller, the president of the Western Power and Development Company, becomes a millionaire and moves to New York with his family. Beset by business problems, Miller pays little attention to his wife, and Grace, feeling neglected, takes up with a bohemian set. Among her new acquaintances she meets Stuart Mordant, the attorney for Thomas Hurd, a business rival of Miller's. Grace seeks refuge from loneliness in Mordant, who makes a bargain with Hurd to gain control of her husband's company for half a million dollars.

Margaret Case seeks to live down the errors of the past, and in marriage finds happiness and security until her enemy again crosses her path and she realizes that life is like a house of glass where there is neither security nor seclusion.