Iron Mistress.

Set during the Jin invasion of China in the Southern Song Dynasty, Iron Mistress tell the story of the eponymous heroine who rises up in this turbulent time to lead a rebellion against their tyrannical enemy with her upstanding character and masterful kung fu. Under the constant pursuit of Jin general SAN Ke-Ning, Iron Mistress hides out in the depths of the mountains with her subordinates, never imagining that the Jin would take advantage of her kind-heartedness by manipulating her emotions and creating distrust as part of a scheme to crack her inner circle. (From TFIA)