A tale of unlikely success: of a man's journey in oil exploration across four continents before he climbs the foothills of the London Stock Exchange. An often lonely voyage of ambition and irrational perseverance, where knowing who you're not is just as important as knowing who you are. "The particular morning, standing in silence in my punt, musket in hand, looking out southward to the end of the earth that was the Caspian Sea horizon, I concluded that we must sell."