Set in the Qing Dynasty during the 43rd year (1779) of the reign of the Qianlong Emperor, martial arts master Li Mu Bai is about to retire and enter a life of meditation, though he quietly longs to avenge the death of his master, who was killed by Jade Fox. He gives his sword, a fabled 400-year-old weapon known as Green Destiny, to his friend, fellow martial arts wizard and secret love