Reluctant siblings Sunny and Gil are persuaded to spend their summer holiday renovating their uncle's shabby country cottage only to discover an invasion of mad campers in his back garden.

Sunny McIntosh is a redheaded, offbeat 23-year-old who dabbles in laziness. She has spent her life overshadowed by Gil – her perfect nerd of a brother. But this is her story – how she is thrown into hosting "the worst campsite in Scotland", battles to restrain a fanatical sci-fi brigade and is desperate to finish the DIY so she can return home to Edinburgh and her precious Mathew.

Four townies, two weeks, one field.