Fred works for an insurance company as a computer engineer. He is bored with enduring the trials of his shrewish wife, so, after using actuarial tables to calculate the most common means of death, he cleverly prepares the family bathroom and brings about her demise. For a while he is content with his new freedom, but then he recognizes that a friend is in a similar situation.
| Directing | Gérard Pirès | Director |
| Writing | Walter Kempley | Novel |
| Writing | Jean-Patrick Manchette | Screenplay |
| Writing | Gérard Pirès | Screenplay |
| Editing | Jacques Witta | Editor |
| Camera | Michael Seresin | Director of Photography |
| Sound | Claude Bolling | Original Music Composer |
| Production | Roland Girard | Producer |
| Production | Raymond Danon | Producer |
| Production | Jean Bolvary | Producer |
| Production | Ralph Baum | Executive Producer |
| Art | Jean-Baptiste Poirot | Production Design |
| Costume & Make-Up | Christian Aujard | Costume Design |
| Costume & Make-Up | Alex Archambault | Makeup Department Head |
| Costume & Make-Up | Claudine Cronier-Monin | Key Hair Stylist |
| Costume & Make-Up | Joël Lavau | Makeup Artist |