Chocolate is the most popular candy in the world. Every year, three billion pounds of it are sold and consumed in the United States alone. It's one of our great indulgences. It's at once decadent, sensual, and romantic. But, as it turns out, chocolate is much more than that. Semisweet: Life in Chocolate travels to 3 continents and four countries to follow the unique journeys of people whose lives have been transformed by chocolate.