Het echtpaar Emile en Françoise Chenal tracht een openstaande schuld van boksmanager Jim Fox Warner op te eisen. Warner staat helaas ook in de schuld bij de maffia. Ondertussen is een detective in het hotel waar zij verblijven, bezig met het onderzoek naar een onopgeloste moordzaak.
| Writing | Philippe Setbon | Screenplay |
| Directing | Jean-Luc Godard | Director |
| Writing | Alain Sarde | Screenplay |
| Production | Alain Sarde | Producer |
| Production | Christine Gozlan | Producer |
| Editing | Marilyne Dubreuil | Editor |
| Camera | Pierre Novion | Director of Photography |
| Camera | Bruno Nuytten | Director of Photography |
| Writing | Jean-Luc Godard | Screenplay |
| Camera | Louis Bihi | Director of Photography |
| Writing | Anne-Marie Miéville | Screenplay |
| Directing | Richard Debuisne | Second Assistant Director |
| Lighting | Christian Weyers | Gaffer |
| Sound | Jean Schwarz | Music Supervisor |
| Sound | Pierre Gamet | Sound |
| Production | Christine Gozlan | Production Manager |
| Sound | Bernard Chaumeil | Sound |
| Production | Dominique Besnehard | Casting |
| Directing | Hélène Sébillotte | Script Supervisor |
| Costume & Make-Up | Jean-Pierre Eychenne | Makeup Artist |
| Production | Reynald Calcagni | Production Manager |
| Sound | Bernard Le Roux | Sound |
| Sound | Jean-Marc Lentretien | Sound Mix Technician |
| Sound | François Musy | Sound |
| Editing | Philippe Tourret | Color Timer |
| Production | François Menny | Unit Manager |
| Sound | Franz Schubert | Music |
| Sound | Richard Wagner | Music |
| Sound | Fryderyk Chopin | Music |
| Sound | Franz Liszt | Music |
| Sound | Arthur Honegger | Music |
| Sound | Emmanuel Chabrier | Music |
| Sound | Ornette Coleman | Music |
| Sound | Jean Schwarz | Music |
| Directing | Reynald Calcagni | Assistant Director |
