It's Livia's 40th birthday and she's having the party of a lifetime to make up for the wedding she never had. Everyone she loves will be there except her daughter Marnie, who's studying abroad. But although Livia loves Marnie, she's secretly glad she won't be at the party. She needs to tell Adam something about their daughter but she's waiting until the party is over so they can have this last happy time together. Adam wants everything to be perfect for Livia...