UFC superstars Holly Holm, Miesha Tate and Cris Cyborg feature as underground fighters in this MMA Thriller. When the body of a young martial arts fighter is found on the rough streets of Fight Valley, her sister, Windsor, arrives to try and uncover the truth of her mysterious death. She soon realises that in order to survive in this town she will have to fight. Training with the most feared and respected ex-fighter around, Windsor prepares herself to come face-to-face with her sister’s killer in a battle for justice.