The film""s major heme was whether flesh-eating zombies, cared for as loving kin-folk even if ""undead"", could be rehabilitated, and co-exist with humans by learning to eat non-human flesh.The plot of the film is about the strident efforts of a neurotic child to be liberated from repressive, matriarchal domination.Bilbo arrived at Ravenhill with a warning for Thorin hat he was on a suicide mission: "You have to leave here." Donovan interpreted: "The Holy Grail, Dr.Jones.The chalice used by Christ during the Last Supper.The cup that caught His blood at the Crucifixion and was entrusted to Joseph of Arimathea." Donovan was enthralled by the promise of immortality: "The gift of youth to whoever drinks from the Grail," and mentioned how Indy""s father, a teacher of medieval literature, had spent his life researching the Holy Grail: "Grail lore is his hobby.It was also the birthplace of the founder of Gryffindor, and a possible location for the hidden Sword of Gryffindor.