Ariel, a young French Jew, decides to leave his family to go to Israel and secretly become an agent of Mossad, the Israeli secret service. After years of training, his first mission is in Paris to steal secrets from Remy Prieur, a French atomic scientist.

Jacques asks a public writer to compose love letters for a beautiful stranger that he pretends he has just met.

Claire Rousset visits her ex-husband Pierre who lives in the Lyon region. For some time now, Pierre's health and that of the other inhabitants of the village has deteriorated to the point of becoming worrying.

Orpheus is a rock star who composes love songs for Eurydice, who designs his album covers. As he wrestles with his additional love for Calaïs, his sound engineer, Orpheus finds that Eurydice had died of a drug overdose, so he descends into the Underworld to try and make a deal with Hades.