Frida Wallberg was the best female boxer alive. WBC World Champion and undefeated her entire career, the Swede was one of the most feared fighters in the world. Yet during her final fight, a bout intended to be her crowning glory, she suffered a blow that was to impact on her life forever. Rushed to hospital after a dangerous brain haemorrhage, Frida's entire world changed in an instant. Her struggle to recover is to be her toughest fight yet.