It is the fourteenth century and one of the most apocalyptic events in human history is set to occur - the coming of the Black Death. History teaches us that a third of Europe's population was destroyed. But what if? What if the plague killed 99 percent of the population instead? How would the world have changed? This is a look at the history that could have been: a history that stretches across centuries, a history that sees dynasties and nations rise and crumble, a history that spans horrible famine and magnificent innovation. These are the years of rice and salt.