With her parents away, Anne-Marie drops her studies to spend eight days in Saint-Tropez with her friend Jean-Paul. They are soon caught up in the Saint-Tropez whirlwind. Jean-Paul is seduced by a wealthy woman while Anne-Marie ends up alone with a young man she meets along the way.

Marie Laforêt
as Anne-Marie Brémond

Jacques Higelin
as Jean-Paul Capelier

Pierre Michaël
as Jacques Bargeron

Stéphane Audran
as Lucie

Monique Just
as Véronique

André Badin
as Le campeur

Jean-Marie Rivière
as François Desroches

Claude Chabrol
as Le réalisateur empruntant des propos de Pierre Kast

Baba N'Diaye
as Un gars de la bande

Fausto Tozzi
as Nino Trabucci