The Alchemist of Prague Wants a Secret in Exchange for the Antidote – intro video

Prague, 1602. You've been hit by a poisoned arrow, and you have one night left to live. The mistress of the alchemist's workshop at the end of Golden Lane swirls the antidote vial between her fingers. “I don't take gold. Bring me a secret you've never told anyone, and we'll trade.”