At the age of 28, Christian Berner is taking over a billion-euro company with many, many construction sites. Now, after more than 10 years, he looks back on a time when everything was often on a knife edge.

In a captivating interview, the CEO of the billion-euro group and employees, companions and business partners of the BERNER Group explain how the European retail group was made fit for the digital future. This impressive story of a traditional German family business in its second generation is exemplary of the challenges facing German SMEs.