When Princess Rosalina (Lovato) is threatened by an evil dictator bent on taking control of her country, she is whisked away and placed into the Princess Protection Program, a secret agency that watches over imperiled princesses around the world. Mason, an agent with the program, hides Princess Rosalina in his own home where, with the help of his daughter Carter (Gomez), she adopts the cover of an ordinary teen named Rosie. more