New girl Amber is a champion ice-skater who can get free passes for Alton Towers and goes to see her granny in Barbados in the holidays. It's almost too good to be true. Tilly's friend Mia thinks it is too good to be true. In fact, Mia reckons Amber is a total liar. And Tilly and Mia have been best friends since they started at Beech Cliff School ...