May 1973: While hitchhiking home from the Cannes festival, Jean-Jacques, a young heterosexual man, rather homophobic, gets lost in the Cévennes mountains. He finds refuge with an elderly gentleman who not only admits his homosexuality, but claims to be Jean-Jacques decades later.

Six thirty-something friends leave wives and kids to relive their first holiday. During a week, they will realize they are not as young and, above all, not as grown-ups as they think. Their friendship will be smashed into pieces...