Post Coitum

In Paris, the successful forty and something year old book editor Diane Clovier is married with the lawyer Philippe Clovier and they have teenage son and daughter. Diane meets the young engineer Emilio that is the roommate of the writer François Narou that is working with her, and they have an intense love affair. Meanwhile, Philippe is defending their neighbor that has killed her unfaithful husband sticking a fork in his neck and one day he overhears a phone conversation of Diane and her lover.