Chu Clan's Mia Chu has boxing talent but patriarchal prejudice forces her to work as a handyman. Her father forces her to marry Jake Li. Her sister Elaine Chu slits her throat; mother May Shen sends Mia away. Mia becomes disciple of top boxer Autumn Ye, trains. When Chu Clan faces collapse after a Gym Challenge, Mia returns, seizes Clan Head, competes internationally, breaks gender prejudice, and wins dignity for Huaxia Boxing Circuit.