In 1957, when McDonald’s was doubling the number of restaurants it opened every year, a little-known Florida start-up called Insta-Burger was on the brink of bankruptcy and fighting to keep its doors open. However, this failing business would later become the global fast food empire Burger King, making tens of billions of dollars a year, and operating in over 100 countries around the world. The truth of how they achieved this is crazy, and involves smashing up their own equipment with a hatchet. But, whilst Burger King is undeniably an inspiring underdog entrepreneurial success story, there’s also a dark twist. Because the secret to Burger King’s success… was stolen.