Misfit Muriel (Toni Collette) has always escaped life by listening to ABBA ditties and dreaming about marriage. When she and her flighty friend Rhoda (Rachel Griffiths) leave small-town Porpoise Spit, Australia, behind them, her fantasy starts to come to life. That comes along in the form of a hunky swimmer (Daniel Lapaine) looking for Aussie citizenship. At long last, her storybook dreams have come true, but is Muriel ready for this reality?