As a white girl growing up in the south, Joan Trumpauer Mulholland witnessed the ugly realities of segregation and racism firsthand and vowed to one day change it. By the time she was 19, she had already joined the Freedom Riders and participated in over three dozen sit-ins and protests. Now, over 50 years later, award-winning filmmaker Loki Mulholland captures his mother's story and learns about her courage and the role she played in changing American history.