Misty

Original title: Misty
Director: James B. Clark
Country and year: USA / 1961
Genre: Family, drama

Cast: David Ladd, Arthur O'Connell, Pam Smith, Anne Seymour

Plot
Every year the Chincoteague fire department rounds up the wild ponies of Assateague. island, and then auctions off the colts and yearlings to thin out the herd. A young brother and sister, Paul and Maureen Beebe, have set their hearts on owning one particular wild three-year old pony, The Phantom. Only they have to earn the money, the Phantom has to be captured in the roundup (which she never has), and then they have to outbid everyone else for her in the auction. And even the Phantom herself has a surprise for Paul and Maureen: a foal named Misty. Written by Kathy Li for imdb.