Reign of Assassins

Reign of Assassins is a 2010 wuxia film directed by Su Chaopin and codirected by John Woo. The film is shot in China and set during the Ming Dynasty. The film stars Michelle Yeoh, who plays an assassin who tries to return to a normal life after being counseled by a monk. After saving her husband and herself from robbers, she attracts the attention of her former assassin gang.

A narration tells of a legendary Indian Buddhist monk, Bodhi and the belief that his mummified remains has mystical powers.The Dark Stone gang, having found that half of the remains are in the Prime Minister Zhangs hands, sends assassins to kill him and his son Renfeng. Dark Stones top assassin Drizzle steals the remains and flees. She encounters the monk Wisdom after dispatching a pursuing Renfeng at the top of a bridge. Wisdom is revealed to be an accomplished martial artist who demonstrates to Drizzle that her swordsmanship has four fatal flaws. Warning that she can be killed by a master, he attempts to persuade her to turn a new leaf and leave the life of an assassin. The three months of their association ends with him dying by her hands, a final demonstration intended to enlighten her. After Wisdoms death, Drizzle is burdened with sorrow and guilt and decides to leave her old way of life. She goes to a famous surgeon who changes her appearance and she assumes the identity of Zeng Jing, a common cloth merchant. She attracts the attention of the messenger Ahsheng whom she eventually marries. The Dark Stone gangs leader, Wheel King, recruits and trains a new assassin, Turquoise, a merciless girl who murdered her fiance and inlaws on her wedding night. ........

Source: Wikipedia