The lovely Maria Teresa is unhappily married with the impotent lawyer Marcello. Maria Teresa's marriage is contrasted by the passionate Valeria, who is killed during a chase. Is Valeria's husband the murderer? Maria Teresa helps him..
- Release Date: September 8, 1977
- Runtime: 110 minutes
- Production countries: France, Italy
- Original Title: Una spirale di nebbia
- Original Language: italiano (Italian)
Genres: Drama