On the eve of his wedding, on holiday on the Lake Annecy shore, career diplomat Jérôme visits an old acquaintance, perhaps a former girlfriend. Through her, he meets an intense teenager, Laura, and then lusts after her sister, Claire. Whilst Laura attempts to flirt with him, Jérôme's fantasy becomes focused on wanting to caress Claire's knee.
Successful Parisian lawyer Frédéric is happily married to schoolteacher Hélène. Though he daydreams of affairs with other women, he doesn't come close to acting on such thoughts until he runs into Chloé, a beautiful old acquaintance. Tempted by the vibrant Chloé, Frédéric is torn between impulsive lust and his love for Hélène.
"Professor Marian died under mysterious circumstances."
