»Play hard, work hard.« The inversion of the well-known expression has become a motto for Roland Mack, founder of Germany's largest theme park. Europa-Park breaks all existing records. Children as well as adults are thrilled by spectacular roller coaster rides, magic shows and the experience of an idyllic world, created with love. But what, or rather who, is behind all this? Benno Stieber presents a unique account of the entrepreneur of a family business, while casting a glance behind the colourful scenery of a theme park - glittering, exciting and a little mysterious.