Military training film, narrated by David Niven during his time away from Hollywood to serve in the Army, and produced to instruct British troops in the history of their American allies.
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.
This one finds Jack Slade and Mary Conway,alias Blanche, being recognized as known and wanted crooks by deputy marshal Harry Stevens and, when he orders them out of town, Slade kills him.
Having been falsely court marshaled for cowardice and sentenced to prison by the Army, Jed Kilton escapes and heads to Nevada Springs to see his kid brother.
A young Eastern lawyer, seriously injured in a stage holdup, secures the help of Hoppy, California and Jimmy in completing his mission to his woman cousin's ranch in Texas.
Celebrated elderly Austrian poet opposes nazism, while his daughter admires and falls in love with leading nazi activist, who eventually becomes concentration camp commander with his father-in-law as prisoner.
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.