The Calabrian 'ndrangheta holds control of public works and is behind an inexorable chain of murders and retaliations. A Milanese engineer in his sports car is tragically involved in these events.
Unfortunately the movie Nessuno deve sapere is not yet available on Disney Plus.
| Directing | Mario Landi | Director |
| Writing | Lina Wertmüller | Story |
| Writing | Marco Oxman | Writer |
| Writing | Renzo Genta | Writer |