The compelling, hidden story of Cathy Williams, a former slave and the first woman to ever serve in the US Army. She was born and lived as a slave until the Union army came and destroyed the only world she'd known. Separated from her family, she made the impossible decision to fight in the army with the Buffalo Soldiers disguised as a man. With courage and wit, Cathy fought for her survival and freedom in the ultimate man's world, but never gave up on her mission to find her family, and the man she loved.