Thierry Harcourt

Cécile's relaxing summer with her father in the south of France is upended by the arrival of the enigmatic Anne.

Grace looks forward to summer vacation to launch a business with friends. Her Paris trip compels her to bond with cousin Sylvie, inspiring her venture. But her grandparents' bakery faces closure, motivating her to find a solution.

Five thirty-something couples decide to indulge in some friendly partner swapping with disastrous results for their marriages and friendship.