"Twelve-year old Essie believes that Black people should be allowed to vote, and she’s willing to march for that right. On Sunday, March 7, 1965, Essie puts on her best dress to join protesters as they plan to visit the governor in Montgomery, Alabama. But as the 600 marchers approach the Edmund Pettus Bridge in Selma, they are stopped by angry state troopers who will do whatever it takes to stop the peaceful protesters."