Sheffield, England: someone in the steelworks is selling details of a new alloy to a foreign agent. The children lead to his capture with the help of a prize pigeon.
Did You Know?
Mount Road, Pickering Road, Vale Road and most of Douglas Road in Parkwood Springs where Jane and Don live (used as locations in this film), have been demolished and the area returned to hilly grassland, so the area has changed out of all recognition. See more