This is the epic untold story of how same-sex marriage became the law of the land. Documenting one of the greatest civil-rights stories of our time, this documentary shows the nail-biting behind-the-scenes story that traces the marriage-equality movement's historic progress and reveals the masterminds of the movement as they lead the fight to win same-sex marriage throughout the United States. This is an inspirational tale of how people can actually make a difference and, ultimately, a powerful playbook for social change. - The inside story of the same-sex marriage movement.