佰利乐 Plot Summary for 　　Parsifal (1982) 　　Richard Wagner's last opera has remained controversial since its first performance for its unique, and, for some, unsavory blending of religious and erotic themes and imagery. Based on one of the medieval epic romances of King Arthur and the search for the holy grail (the chalice touched by the lips of Christ at the last supper), it recounts ove...