“Big day ahead!” Big Mama enthusiastically says as she wakes young Tansy. She hurries Tansy through breakfast and a bath, and dresses in her best clothes. Big Mama even wears her special brooch. But what is so special about today?
Soon enough, Tansy learns the importance: Big Mama is voting for the first time! Based on true events, The Big Day tells the fictionalized account of Agnes Sadler, the first Black woman to vote in Knoxville, Tennessee, on September 6, 1919.