The new students Eigil and Arne celebrate the end of school. "You are now grown men and women with a carnal desire that every human being contains. This desire can be like a fire in your body, but don't let yourself burn to death," their old teacher admonishes. Nevertheless, the encounter with Copenhagen and its many temptations turns out to be fateful for the charming Eigil and the otherwise faithful Arne.
A manufacturer and an impresario (who has promised some young people he will stage their show) are twin brothers causes a lot of confusion when the manufacturer is mistaken for his no-money brother.
Before his death, Mansour Pasha writes over his wealth to his two sons Omar and Othman; as the latter drowns, his wife gets a boy and claims he is Othman's son to ensure her share in the inheritance.
With a plot line mostly lifted from 1941's "White Eagle", Columbia's 24th serial (following "The Desert Hawk-1944" and ahead of 1945's "Brenda Starr, Reporter"), "Black Arrow" finds carpet-baggers Jake Jackson and Buck Sherman arriving in Blue Mesa in search of gold.
Social Democratic election film. Young Lasse is unemployed and drawn to the Communists. However, he comes to the Social Democratic fold after heroically capturing a saboteur.
Muggs and Glimpy, two East Side Kids in the army, return to their neighborhood, supposedly on furlough; actually, Muggs has been honorably discharged with a physical defect, but he tells no one of this.