Eighteen-year-old Victor loses his parents in a car accident three months before his baccalauréat. He is taken in by his godfather Michel, an enigmatic man who lives in the outbuilding of a chateau with his daughter Caroline, a young woman in her twenties.

Following elections organized at short notice and a strange game of alliances, the new Senate president is an ecologist. His reign begins.

A man leaves everything behind to travel aimlessly through France, letting himself be guided only by the people and landscapes he encounters: four days and four nights of wandering, during which his lover tries to locate him via Grindr, a smartphone dating app.

In the North Finistère, in Brittany, it’s late October, the low season. It’s Célèste’s last day of work as a caretaker at a seaside camping ground. Just as she’s getting ready to leave, a child disappears…