In 1860s Birmingham, when chocolate as we know it doesn’t yet exist, two very different brothers, Richard and George Cadbury, find themselves in charge of their family’s failing cocoa business. Between them, they have the radical genius and burning ambition to turn Cadbury’s into one of the world’s most beloved confectioners. But first, they must learn to trust and rely on each other. And to stop bickering for long enough to actually invent some chocolate.