Schloss Einstein is a long-running, popular German television series which is designed as a teenage soap opera. It portrays the lives of teenagers in Schloss Einstein (Castle Einstein), a fictional boarding school.
After school, the young detectives meet at a high level of a spice warehouse of the company Overbeck & Associates, which belongs to Fiete and Vivi's parents in the first part, but is later given to Fiete and Vivi to look after.