A well known entrepreneur is being blackmailed. Suspicion falls on a landlord who had differences with him before. While Don Matteo aids police investigations, the entrepreneur's son is poisoned...
| Creator | Enrico Oldoini |
|---|---|
| Actor | Terence Hill, Nino Frassica, Nathalie Guetta |
| Country | Italy |
| Production | Lux Vide |