A look at the impact of edition featuring a couple in the south of England who were millionaire entrepreneurs and a northern family crippled by debts of £20,000. For one week, the two households from opposite ends of the wealth divide swapped homes and lives.

Permanent make-up artist Katy and her husband Paul run a hugely successful beauty clinic in East Sussex. They and their three young children - Sebastian, Maddox and Annabel - swapped homes with struggling single mum Nadine, her young son Morgan and her best friend Alex. Over the course of the week, both groups went on a huge emotional journey, and life changed for ever for Nadine.

The series begins with two families who appeared a year ago. The Gowlands were counting every penny, while millionaire property developers the Greens lived in luxury and for one week they traded home and budgets.