Ian is a fairly typical husband - lazy, self-centred and unimaginative in bed. Over the years, he's let himself go, while wife Laura is sexy, vibrant and missing her wild younger days. When it's time to start a family, the couple plans one last child-free adventure. But only as they are jetting off does Ian discover that Laura's idea of adventure is hot, raunchy sex with everyone but him, under his very nose. His attempts to take the moral high ground...