 Horizon is a timeless film about freedom, family, our quintessential pioneer spirit. It stars Kevin Costner, Sienna Miller, an outstanding cast. It's the story of how America won the West and became the country we love. Don't miss Horizon, an American saga. See chapter one in theaters on June 28th. Chapter two comes out in theaters on August 16th. Perfect for the 4th of July. Make it part of your celebration of our great nation. Horizon, an American saga.