Police investigate the murder of a jiu-jitsu instructor; Marshal Cecchini arranges a date for the Captain with Martina's teacher.
Don Matteo and Natalina stumble upon a car accident and discover a man's body; Lia's mother comes for a visit.
The mother of one of Don Matteo's students accuses a man of giving her daughter ebola.
Don Matteo helps a battered woman seek refuge in his rectory.