At the bottom of a bathing lake, you come across an old Mercedes. Inside, two bodies are found. When it becomes clear that they are a young couple who have been missing since the eighties, Steffen Horndeich and Margot Hesgart are faced with a mystery that goes back many years. Biography Michael Kibler, born in Heilbronn in 1963, is a passionate Darmstadt native. After studying and earning his doctorate, he now works as a copywriter and writer.