Accustomed to a glamorous life as a famous young movie star, eleven-year-old Gemma is horrified when, because of her mother's film career, she is sent to live with her "dull" and unknown cousins in a small industrial town.

Gemma, once a child film-star, is living with her cousins in a small provincial town. Having thought that she would find it a terrible backwater, she now finds that her cousins are just as talented than she is! There's tremendous excitement in the Robinson household. Gemma and her cousins have put together an act using all their talents, and they're an instant hit! Everyone wants to see Gemma & Sisters. Robin, the younger brother, has swirled some new tunes, and his friend Nigs is on the drums. Ann sings solo and Lydia, the show-off of the family, is thrilled to be able to dance in front of an audience again.

Gemma finds the transition from being a glamorous child movie star to working as a student at a school for the performing arts requires hard work, but she also enthusiastically joins her cousins in honing their musical, dancing, and acting talents for a grand competition on television.Already a child film star, Gemma is concerned about her reception when she enters the Headstone School of Drama and Stage Training, particularly when she enters a television talent competition with her cousins

As her cousins find success singing and dancing on the stage, Gemma wins a coveted acting role in a local theatre production but may have to give it up when her mother makes a startling announcement.