The story of Claressa 'T-Rex' Shields, a boxer from Flint, Michigan who trained to become the first woman in her country's history to win an Olympic gold medal in the sport.

Star is a tough-as-nails young woman who came up in the foster care system and decides one day to take control of her destiny. She tracks down her sister, Simone, and her Instagram bestie, Alexandra, and together, the trio journeys to Atlanta with the hope of becoming music superstars.