Jude Hunter (Katherine Hughes) is a committed musician who is in the middle of preparing for the biggest and most important performance of her life. When mysterious, unprecedented, and seemingly connected deaths occur as the competition draws near, she begins to feel unsafe, thinking that she might be the next target.

Mary Herder is the private secretary of the junior member of the New York contracting firm of Thompson and Collins. When she learns of a plot by the firm's foreman, a Bolshevist, to blow up a ship that Collins, who once rescued a worker from the foreman's violence and who is active against Bolshevism, is visiting, she and her older brother Charles thwart the conspirators' plans. During the war, Charles is rescued by Collins, while the Knights of Columbus, under the Rev. Francis Kelly, help American boys. After the war, Charles, a victim of shell-shock, recovers when he holds his baby. Mary's younger brother Frank, a Secret Service man posing as a Bolshevist, learns of their plan to overthrow the government. After they suspect Frank and kidnap Mary and others, Frank and Collins, with members of his regiment, rescue them in the nick of time.

The Country Cousin

Robert Moore is the general manager of the firm run by John Gibson. After Gibson makes several visits to Moore's home, unfounded rumors begin of a relationship between Gibson and Moore's wife, Martha. Moore is discovered with a revolver in his hand, standing over Gibson's dead body. In fact, Moore’s best friend committed the murder, but Moore is convicted of second-degree murder and sentenced to 20 years in prison. Impulsively Martha remarries to a man who proves to be a brute. When Moore is set free after the real murderer confesses, he visits his former wife just as her husband attacks her. In a struggle, Moore shoots him in self-defense and is then reunited with his family.