Lucille, a paralyzed girl, is the scapegoat of her sister and her cousin Josine and Elisa. During a "game" that goes too far, they accidentally kill the lover of Elisa. Whilst attempting to make Lucille bear the guilt of the killing, they discover the frightful secret that would explain the vegetative state of Lucille.
| Actor | Role |
|---|---|
 Nicole DebonneElisa | Elisa |
| DDanielle ArgenceJosine | Josine |
 Solange PradelLucile | Lucile |
 Liliane BertBéatrice | Béatrice |
 Robert LombardMr. Borgo | Mr. Borgo |
| JJean GeninBruno | Bruno |
 Alain DouteyAndré | André |
 Katia TchenkoDolly | Dolly |
| KKarina KarGirl at the party | Girl at the party |