Bernard is in love with a water spider. He wants to replace his wife Catherine with the spider because she bores him. The spider transforms into a tarantula and later in a mysterious mute girl named Nadie. He falls in love with the girl/spider and finally he has to choose between his wife or the spider.
| Actor | Role |
|---|---|
 Elisabeth WienerNadie | Nadie |
 Marc EyraudBernard | Bernard |
| MMarie-Ange DutheilCatherine | Catherine |
 André JulienLe paysan | Le paysan |
 Pierre MeyrandLe curé | Le curé |
 Josep Maria FlotatsNot listed | Not listed |