Millionaire Cassy-Anne and her daughters Bug and Bunny ditch their usual luxury trips for a basic, no-frills one when they swap holidays with hard-up, nature-loving couple Sian and Joe. Never without their phones, Cassy-Anne and her girls have to cope without technology during their stay in shepherd's hut in Dorset, while Sian and Joe have the run of a penthouse at an opulent five-star resort in Hvar, Croatia.