Brokeback Mountain is a 2005 American romantic drama movie by Ang Lee. The film is set in Wyoming during the years from 1963 to 1981. The story is about two bisexual cowboys, Heath Ledger and Jake Gyllenhaal, who are in love with each other. During that time it was difficult to have homosexual relationships. The movie is based on a short story of the same name by Annie Proulx.