Don Matteo and Natalina find a dead man’s body. The investigation leads to Sabrina, a young woman in prison who used her day releases to work at the man’s factory. Don Matteo takes the girl’s story to heart and decides not to leave her alone.
Meanwhile, new people are arriving in Spoleto. It is the first day at the station for Gualtiero Ferri, the new prosecutor, while Lia’s mother arrives at Cecchini’s house. The sergeant and captain do everything in their power to appease her, but she proves to be quite a tough one. Yet Tommasi must face a terrible discovery… Meanwhile, Tomas finds himself in trouble with the fiscal police and does not seem to want to accept help from anyone.