After living in a children's home for most of her life, Gabby Brokesby is a sixteen year old rising star in the Army Cadets. Having always wanted to get out of the care system, she can't believe her luck when her biological father appears seemingly out of nowhere. What she didn't expect, was for him to be William, the recently divorced King of England. Suddenly dealing with a media circus, an uncertain future and leaving her home behind, Gabby wonders if she can ever be the princess everyone expects her to be.