Cardinal Mercier protects the altar of his church from desecration when German forces invade the Belgian city of Louvain during World War I. Although the soldiers commit widespread atrocities, the cardinal does his best to protect the townspeople.

Following the death of her father, a Maine trapper, Jennie Cox moves to New York to earn her living.

Margot, the motherless daughter of a New England fisherman, dreams of a better life. After rescuing the wealthy Jack Rutledge's mother, Margot is taken in by the family. Jack and Margot fall in love against the will of his mother and must find a way to marry.

Elaine Brooks marries Robert Ames, a junior member of the Department of Justice. Mrs. Durand, a spy uses underhanded means to steal important papers from Ames, which she gives to her superior, Dr. Kemp. Although she is innocent, Elaine becomes implicated in this plot.

Sylvia, a model in the shop of a fashionable dressmaker, is introduced to the Hicks family, which recently has acquired a fortune through iron ore deposits discovered on their farm. Octavia Hicks sees in the cultured but unpretentious Sylvia a good match for her son Henry and invites the young woman to visit the Hicks home. Two other visitors, Frank Hayward and his accomplice Annie, are masquerading as a count and a princess in order to con the country-born millionaires out of their money. The two are introduced to Sylvia, who soon discovers their plots and exposes them. A mysterious foreign gentleman appears and announces that the fashion model is actually the Princess Sylvia of Karalyn, but she renounces her title to marry Henry.