A young girl accuses her parents of being murderers. Hurriedly committed to an asylum, she attracts the attention of a psychologist who is determined to get to the bottom of the story. At her own risk.
| Actor | Role |
|---|---|
 Emmanuelle BéartSonia Mornant | Sonia Mornant |
 Marie RivièrePaula | Paula |
 Caroline BergAnne | Anne |
 Patrick FierryPhilippe Barrière | Philippe Barrière |
 Gisèle GrimmMadame Eliston | Madame Eliston |
| GGérard DauzatDerval | Derval |
 Hervé BriauxInspecteur Roubion | Inspecteur Roubion |