An artist, Ku, lives with his mother near an abandoned fort, reputed to be haunted. One night, investigating strange noises, he meets the beautiful Yang who is living there. She is being pursued by agents of an Imperial noble who have murdered her family. Ku finds himself caught up in her struggle to survive, and many fierce battles take place before all is resolved. Action adventure with a lyrical feel, this is a kung fu film with a strong spiritual element.