I wonder . . . if other girls had to be one of us, which of us they'd choose to be?' Pauline longs to be an actress. Petrova is happiest playing with cars and engines. And if she could . . . Posy would dance all day! But when their benefactor Great-Uncle Matthew disappears, the Fossil girls share a future of a dazzling life on stage, where their dreams and fears will soon come true . . .