Florentine Auer makes a decision that turns her life upside down - although such a thing is unheard of in 1926, she emancipates herself from her father and travels independently to Munich to write crime novels. This, however, surprises her brother Hermann, who suddenly has his little sister move in with him unannounced. But he quickly realizes how her wits and perfidious knowledge of crime could come in handy. When Hermann's law firm is confronted with a series of brutal murders, Florentine quickly puts together the clues in ways that others had missed...But they point to a web in the heart of German politics and culture. Will she unravel a conspiracy around the most powerful men in the country?