Jake Rendel is a successful millionaire who works and plays hard - unlike Emma Delaney, who's stifled by her uninspiring job. So Jake makes Emma a proposition to shake off her prim-and-proper image: for a month, they'll pretend to have a steamy affair!

Emma's out of her depth - and things quickly get passionate in private as well as in public. Soon the girl-next-door is wishing the month of mistress make-believe will never end..