An attempt to sort fact from fiction in the story of the Holy Grail that
continues to tantalise down the centuries. Bound up with British mythology
and the legend of King Arthur and his knights, the belief is that the Grail
was a chalice from which Jesus drank at the Last Supper, or that Joseph of
Arimathea used to catch the blood of Christ on the cross - or perhaps that
it was the remains of Mary Magdalene...