The Music Fairies desperately need Rachel's and Kirsty's help! Jack Frost and his naughty goblins have stolen the fairies' Magical Musical Instruments, which means that music is being ruined for everyone! Jack Frost plans to use the instruments to help him win a national talent competition in the human world, and with the help of the enchanted instruments, he's bound to win. If this happens, humans will find out about Fairyland and then all the fairies will be in danger! Sadie's Magic Saxophone is in the hands of the troublesome goblins. Can Rachel and Kirsty help her to outwit them and take the instrument back?