Filmed entirely from the air, Upstream follows the course of the River Dee in Scotland, all the way to its source in the Cairngorm mountains, the highest of any river in Britain.
Trapped in a world of domesticity and servitude, long suffering vicar's wife Valerie has spent a lifetime serving others. Lost and lonely, she makes a quiet plea to a statue of the Virgin Mary, who answers her prayers in the form of a strange force.
