One's a Heifer -- Film Description:
"One's a Heifer revolves around 13-year-old Peter and his attempts to recapture two calves that strayed during a storm. His search brings him in contact with a suspicious-acting farmer who Peter believes is hiding the missing calves in his barn. Like the story, this drama, set in western Canada, is filled with suspense and mystery."
-- National Film Board of Canada

Source:
National Film Board of Canada. "NFB -- One's a Heifer" National Film Board of Canada. http://nfb.ca/trouverunfilm/fichefilm.php?id=15261&v=h&lg=en&exp=.