Murder at the Faculty of Architecture: Investigator Bettina Boll is present when the life model is stabbed, yet no one seems to have noticed anything! The perpetrator must be either reckless or very cunning. Detective Bettina Boll has a tough job. Her colleagues in Ludwigshafen are investigating a spectacular murder case, while she is once again assigned to tedious legwork. As the latest annoyance from her boss, she is tasked with solving the theft of publicly displayed posters in the small town of Lautringen in the Palatinate. A prank? But then the Faculty of Architecture at Lautringen University has a nasty surprise in store: In the art workshop during a life drawing class, while Bettina Boll is questioning potential witnesses to the theft, a murder occurs! The victim is the life model, an ambitious young woman from Estonia: she is stabbed to death.