Harmony Trail (1944)

Stars: Ken Maynard, Eddie Dean, Gene Alsace
Director: Robert Emmett Tansey

Sent to investigate a payroll robbery, Marshall Rocky meets his old friends Ken, Eddie, and Max. He has the serial numbers and when Pop puts on his medicine show they get one of the bills. This enables Ken to see through Sorrell's scheme that threw the blame on an innocent rancher and he sets out to prove it.