Documentary examining the medieval myth of the Philosopher's Stone, a Holy Grail-type relic which supposedly held the key to alchemy and immortality. Many noted alchemists and adventurers searched obsessively for the artifact hoping to learn its powerful secrets, a quest which allegedly drove some to madness and others to celestial encounters.
David Harewood is an English actor, known for playing David Estes in Homeland and Hank Henshaw in Supergirl.