On March 9, 2016, the worlds of Go and artificial intelligence collided in South Korea. The best-of-five-game competition, coined The DeepMind Challenge Match, pitted a legendary Go master against an AI program that was still learning to play the world's most complex board game. AlphaGo chronicles a journey from the backstreets of Bordeaux, past the coding terminals of Google DeepMind in London, and, ultimately, to the seven-day tournament in Seoul. As the drama unfolds before an audience of over 280 million viewers worldwide, more questions emerge: What can artificial intelligence reveal about a 3000-year-old game? What will it teach us about humanity?