Amanda Weber is a museum employee. Her nephew, Victorien, who feels that wild animals should not be kept in zoos, while hitchhiking saw a mysterious bus with 50 dead tourists that later was found by autorities at the bottom of a lake. When Victorien gets in very serious problems due to what he saw Amanda seeks to find out what happened and soon also becomes a target.
| Production | Maurice Bernart | Producer |
| Sound | Jean-Bernard Thomasson | Sound Designer |
| Editing | Jean-Pierre Mocky | Editor |
| Camera | William Lubtchansky | Director of Photography |
| Writing | Jean-Pierre Mocky | Screenplay |
| Art | Michèle Abbé-Vannier | Art Direction |
| Sound | Gabriel Yared | Original Music Composer |
| Directing | Jean-Pierre Mocky | Director |
