Irene Gaup meets her new colleague at the scene where the body of a young man was found. It is Julia Jungklausen of all people, the young lover of her still-husband, public prosecutor Hans Gaup.

The successful novelist Regina Schilling mysteriously disappears from her Berlin apartment, which she has not left for years in self-imposed isolation.

A security guard is found shot dead in the villa of a young corporate heir. Irene Gaup is called to the Wannsee. But there is no trace of the heir, Nikolaus Stahl.