 When British schoolgirl Melanie Hobson wins a trip to Australia in a competition, she is amazed to discover, on arrival at the airport, that she has a double, Minty Sullivan, an Australian soap opera star.Minty who is getting tired of her life as a soap-opera actress, is dressed as Cinderella as part of a prize for a fan of Minty's television program (the winner has won the right to be Minty's partner at an awards ceremony).Melanie and Minty swap identities, and Melanie keeps Minty's appointment as Cinderella.