Anna has a grown-up son, an ex-husband somewhere in Australia, and a feckless married lover. Sporting new scarlet underwear, and not much else, she is horrified to open her door one afternoon not to lover Jack but to son Sam and his girlfriend. They have come to announce their engagement - and to tell her that their wedding is only weeks away! Anna is soon in the throes of preparations for a traditional Irish wedding: keeping at bay the Versace-wearing mother of the bride, dealing with the return of her ex-husband, and wondering whether Jack will ever have the gumption to leave his wife. And then the big day arrives, bringing hotel cats, destroyed creme brulee and a surprisingly attractive photographer...
