Yu Jiao-Long takes up kung fu with the former rebel master Jade Fox as a way to escape an undesirable arranged marriage, while simultaneously, sword master Li Mu-Bai falls in love with Yu Xiu-Lian when she arrives to avenge the murder of her parents. When the Green Destiny Sword turns up stolen, and the notorious female thief Jade Fox arrives to finish the ordeal, the four become enmeshed in a tangle of adventure, vengeance, and betrayal.—wikipedia