Liu Niang (Li Li Hua) is looking for the killer of her husband. She also wants to re-claim the sword, called "the Green Frost Sword”, which the killer took and gave to some high-ranking official. To get the sword back, Liu Niang disguises her self as a servant to one of the girls who is supposed to marry the high-ranking official's son. She gets the sword, but her cover is blown. Now her husband's killer has his mind on getting the sword back at any cost.