Summer with the Queen

Meet Reagan a normal seventeen year old girl from Australia. she has an older brother Macaulay who's nineteen and gets along with everyone. When schools out for the holidays Reagan and her family set off for England like they do every year to visit her grandparents who in fact are the King and Queen of England, with no one in Australia knowing that they are related to the royal family Reagan and her family have had it easy, but will it stay easy for the whole summer?