New York police sergeant Jim Dark is determined that his daughter, Jenny, will be shielded from any knowledge of evil. Consequently, she lives in a dream world, imagining herself to be a descendant of Saint Jeanne d'Arc, but has a loyal friend in reporter Pep Mullins. Her school friend, Adele, also raised by overly protective parents, is ejected from her home when she becomes inebriated after spending an evening with a disreputable young man.
A fabulous jewel known as the 'Dark Star' is stolen; a pastor's daughter gets involved, falling into the depths of a spy plot concerning war plans and fortifications...
King Rudolph of Rugaria sends his son, Prince Boris, to America to marry into wealth so that the country can recover from its financial difficulties. Rich Mrs. Hanway, eager to have her daughter Althea become a princess, takes her with Boris to Rugaria.
Daughter of an Eastern lumber king, Stephanie Trent travels in the guise of a schoolteacher to the logging village of Trentsville to search for "a real man." There she meets Jimmy Raymond, a young novelist posing as a local while writing his story. When Stephanie comes to Jimmy's cabin to report a supposed plot against him, he acts as though he intends to assault her. She nearly throws herself out the window but is stopped by Jimmy, who explains that he is working on a novel and merely wanted to determine a young girl's reactions. In retaliation, she orders that he be kidnapped and held in a nearby cabin, but remorsefully nurses him back to health when he is shot trying to escape.
Austrian diplomats, seeking papers in the possession of the United States diplomat, work through the infatuation of his son, Harry, for an Italian widow. In his desperate financial straits, he is induced to turn traitor to his trust, but the woman, truly loving him, saves him from the consequences of his crime, at the cost of her own love and life.