With one more Fun Day Fairy for Rachel and Kirsty to help, Jack Frost is determined more than ever to capture Sarah the Sunday Fairy's flag!

The Fun Day Fairies are each responsible for adding spunk and sparkle to one day of the week! But when Jack Frost steals their magic, they need Rachel and Kirsty's help. Without the fairies' special flags every day of the week will be gloomy and glum.

There's only one more magical flag missing, and it belongs to Sarah the Sunday Fairy.  Rachel and Kirsty will do anything to get it back - but so will Jack Frost!  Can the girls save the day?