Join best friends Katy, Cassie and Zia on a series of amazing adventures as they work together to save the planet...

Winter has arrived, and the girls decide to cosy up with a picnic in the North Pole. But to their surprise the Arctic Queen gives them a frosty reception.

Before they can enjoy snowflake-shaped sandwiches and mountains of ice cream, they must first understand how important it is to protect the polar animals' habitat. But can they figure out how to stop the North Pole from melting?