Jake Gyllenhaal and Heath Ledger star as ranger Ennis del Mar and rodeo rider Jack Twist who are hired to protect a herd of sheep on Brokeback Mountain against poachers and wild animals. In the rough-and-tumble solitude of the mountains, they fall in love with each other. Yet back in their provincial hometowns, a life together is inconceivable. They both marry and have children, yet they are unable to leave each other for good. For years they are able to follow their hearts only in secret in the remote mountains. Then Jack embarks on a final desperate attempt to fight for a shared future…