With no witnesses, no traces, and no corpse, Josy, the 13-year-old daughter of well-known psychiatrist Viktor Larenz, has disappeared in unexplained circumstances. Two years later, a mysterious woman appears. She forces Viktor to face up to his daughter's disappearance and pushes him to his psychological limits.
Dirk Reimann was actually supposed to appear as a keynote speaker at a start-up pitching event. Instead, he is found murdered by a punch to the back of the head. Laim and Simhandl take up the investigation.