A young man becomes infatuated with Mrs. Francis after she sings at a party. His father convinces her to discourage the young man's attentions. Out of despair, the young man considers suicide, until he meets a woman his own age.
An unscrupulous tourist plots to steal the famous diamond, "The Light of the World," tricking a young woman into helping him. She is caught and imprisoned, while he prepares to sell the diamond and make his getaway.