Three sisters (Scarlett Johansson, Sienna Miller, Emily Beecham) return to their childhood home for the third wedding of their mother (Kristin Scott Thomas), navigating family drama with help from a colorful group of unexpected wedding guests.
Left heartbroken in Rome after a wedding disaster, a stranded groom finds his ruined honeymoon transformed by a determined local and a few meddling travelers-proving that sometimes heartbreak is only the beginning.