The movie "A Christmas Story" is set in the mid-20th century, during the 1940s, in the fictional town of Hohman, Indiana. The movie follows the story of nine-year-old Ralphie Parker, who dreams of receiving a Red Ryder BB gun for Christmas. The movie captures the nostalgia and warmth of the holiday season, as Ralphie navigates his way through the Christmas season, experiencing the joys and challenges of childhood.