Iris has a seemingly flawless husband, two wonderful daughters, a dental practice with a relentless stream of customers, a nice apartment in an area she loves, friends who understand her... And she’ll soon be 50. And then a stranger plants a seed in her head: "Take a lover". Iris open Pandora’s box and candidates emerge as if from nowhere – as if it were raining men.

Antoinette, a school teacher, is looking forward to her long planned summer holidays with her secret lover Vladimir, the father of one of her pupils. When learning that Vladimir cannot come because his wife organized a surprise trekking holiday in the Cévennes National Park with their daughter and a donkey to carry their load, Antoinette decides to follow their track, by herself, with Patrick, a protective donkey.