Movie Story : Set in ninth-century China, the story follows Nie Yinniang, the daughter of a general, who is taken at age ten by a nun and trained in martial arts to become a skilled assassin. Her mission is to eliminate cruel and corrupt provincial governors. When she fails a task, her mistress sends her back to her homeland with an order to kill her former betrothed, a cousin who now commands a powerful military region in the north. After thirteen years away, she must face her family, her past, and feelings she has long buried.