Andalusia, Spain, 19th century. The roads are infested with bandits who sow panic among travelers. Although most of them are ruthless killers, Lucero is a true champion of the disinherited.
After being framed for a murder he didn't commit, Tom Penney (Donald Houston) serves his time and returns to his rural English home to establish a quiet life.
Inspan is dedicated to tough pioneers, who along dangerous roads - with courage and strength - developed the vital transport routes for a young and growing country - the transport riders.
A sheep rancher entrusts his goofy sheepdog Dizzy to guard his herd one night. The dog is told to blow a whistle when he sees a wolf, but he spends his time fooling his master by "crying wolf," and he proceeds to blow the whistle for no reason other than to excite the farmer.
Mickey Rooney, plugging his latest Columbia film, stops by Ralph Staub's editing room and film vault, and the two of them watch clips from Rooney's films, dating back as far as the Mickey McGuire comedies.
Engineer Adel's journey from Europe ends and he returns to Cairo. He begins searching for his beloved Wedad, whom he had proposed to the wealthy lady, Nemat.