the Seasons at war

Sometimes when Winter changes to Spring it feels like a fight, That's because it is. The Seasons are in a everlasting fight of cold against warmth. It's chose your side, or DIE! This stumps a 16 year old girl as she's makes friends with some Winter Kingdom citizens on one of her spy missions. She makes them join the Summer kingdom and new friends arrive from her earth family. Will she be able to make her friends loyal, even when some of them rebel against her and her family.