Cupid's Bow(1988)

Lavish romantic melodrama, obsessively concerned with sex. Maryska's husband is off to war. He soon is reported missing, and she does not protest much when is seduced by the husband's friend, a seedy professor with sickly wife and other mistresses on the side. However, the love of Maryska's life turns out to be a shy 17-year old, son of friends with whom she goes to stay.