The officer Nico Giraldi investigates a homicide which has taken place in a Chinese restaurant in Rome. His wife and his son are kidnappeded by the murderer in the course of the inquiry. In the end the case is worked out.
| Directing | Bruno Corbucci | Director |
| Writing | Bruno Corbucci | Story |
| Writing | Bruno Corbucci | Screenplay |
| Writing | Mario Amendola | Story |
| Writing | Mario Amendola | Screenplay |
| Art | Marco Dentici | Production Design |
| Directing | Roberto Tatti | First Assistant Director |
| Costume & Make-Up | Alessandra Cardini | Costume Design |
| Sound | Detto Mariano | Original Music Composer |
| Editing | Daniele Alabiso | Editor |
| Camera | Giovanni Ciarlo | Director of Photography |
| Production | Luciano Luna | Line Producer |
| Production | Mario Cecchi Gori | Producer |
| Production | Vittorio Cecchi Gori | Producer |
| Production | Giandomenico Stellitano | Production Manager |
| Crew | Rocco Lerro | Stunt Coordinator |
| Production | Loredana Ulpiani | Unit Manager |
| Production | Luigi Lagrasta | Production Secretary |
| Production | Mario Lupi | Administration |
| Production | Roberto Penna | Administration |
| Camera | Marco Onorato | Camera Operator |
| Camera | Fabrizio Borelli | First Assistant Camera |
| Camera | Francesco Damiani | Second Assistant Camera |
| Sound | Benito Alchimede | Sound |
| Camera | Giuseppe Botteghi | Still Photographer |
| Costume & Make-Up | Franco Di Girolamo | Makeup Artist |
| Costume & Make-Up | Rosanna Rapagnani | Hairstylist |
| Costume & Make-Up | Iolanda Angelucci | Hairstylist |
| Costume & Make-Up | Massimo Di Girolamo | Assistant Makeup Artist |
| Directing | Alessandro Amendola | Script Supervisor |
| Art | Mauro Passi | Assistant Set Decoration |
| Editing | Brigida Mastrolillo | Assistant Editor |
| Editing | Armando Pace | Assistant Editor |
| Crew | Antonio Corridori | Special Effects |
| Camera | Alberto Anzellotti | Key Grip |
| Lighting | Tullio Marini | Gaffer |
| Art | Vittorio Troiani | Property Master |
| Art | Bruno Ortensi | Property Master |
| Costume & Make-Up | Floriana Scalabrelli | Seamstress |
| Sound | Romano Pampaloni | Sound Mixer |
