Françoise Has Just Been Dumped By Her Husband For A Much Younger Woman. In Order To Cheer Her Up, And To Celebrate Her 60th Birthday, Sisters Rose And Alice Decide To Take Their Mother To A Resort On The Tropical Island Of Reunion So They Can Relax, Work On Their Tans, And Have Too Many Margaritas. But When Rose Pays A One-night Stand, Thierry, To Show Her Mother A Good Time, Their Holiday Plans Start To Unravel.