Rosie Brown's world is turned upside down the day her father disappears.

With bills to pay and no income, her Mum is forced to sell their luxurious home in the country and move into an old terraced house.

No longer able to afford the school fees, Rosie must leave her friends behind and continue her education in a large comprehensive.

On her first day she forms the unlikeliest of friendships with a girl called Milly.

What has happened to Rosie's Dad? - That's what the police would like to know! Why are two shady characters watching her house? And most of all - will the "stuck up bitch" ever be accepted by the rest of the students?

If you enjoy a mystery, you'll love the adventures of Rosie and Milly!