There are some things only your best friend can tell you but this outrageous suggestion is met with indignation from Polly Penhalligan, who is recently married and trying for a baby and blissfully happy in her beautiful manor farmhouse in Cornwall. At least, she was, until Pippa's unfortunate remark forces her to realise that her idyllic life of gorging on chocolate biscuits , counting her seemingly endless blessings and not getting dressed until lunchtime could be having a few unwelcome side-effects. 

So Polly decides to razz things up a bit and agrees to allow her home to be used as a location for a commercial. Having a glamorous film crew around should certainly put something of a bomb under rural life, shouldn't it? But even before the cameras are set up and the stars released from their kennels, Polly's life and marriage have been turned upsidedown. This time, it seems, she's gone too far…