When his father died, he was just nineteen. He took over his parents' screw business and turned it into a global company with EUR 13.6 billion in sales and more than 77,000 employees (2018). Reinhold Würth showed everyone: Künzelsau became the headquarters of a global corporation. Who is this man who became rich by screwing and who, as perhaps Germany's last patriarch, controls all decisions in his company down to the last detail? What were his beginnings like? What role does his family play? Helge Timmerberg sets off in search of clues - and delves deep into an incredible story of power and billions ....