Plot: Christiane Sadlo is a German screenwriter, dramaturge, and journalist. She is best known by her pseudonym Inga Lindström. She is married to sculptor Karl Halt Trossbach, with whom she has a daughter. Wikipedia
Plot: Georg Wilsberg, a passionate book antiquarian in Münster, Germany, also works as a private detective for which he often calls in his best friend and his niece - often against their wills.