Roy Freitag returns to Waldau after years of shady dealings abroad. Hearing a roar from his home, Jonas and Greta warn he must be holding a lion, but their fathers, mayor Vinzenz Grieshaber, who eagerly welcomes another businessman, and vet Dirk, who is shown only inanimate items and a jungle sounds CD, aren't easily convinced. Mother Hansen agreed unilaterally to invite her just-fired junior sister architect Nelly Spieker to move in 'for now' with her daughter Celine.