In the town of Nowhere, the main street is divided by a broad green line. The mice live on one side. The cats live on the other, and never cross over the line, until an evil spirit convinces one of the cats to cross the line. Chaos ensues until Mighty Mouse arrives to defeat the evil spirit cat in a battle in the sky. The evil spirit cat crashes to the ground and burns up in a flaming pile!
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.
Charles Starrett stars in the lightning-paced Columbia western Riding West. Somebody is planning to sabotage the new Pony Express mail service, and hard-ridin' Steve Jordan (Charles Starrett) aims to find out who.
Mukta and Anand are childhood friends and love each other. But Mukta belongs to higher social class than Anand and her family wants to arrange her marriage with Jawahar, son of a rich man.