"Thanks to Callie and their friends, Helston seems to be changing for the better: Boys are allowed to explore their magic, and girls are permitted to train as warriors. Callie is an official Helston page, Willow in on track to become king, and Elowen and Edwyn are finally safe and free of their father. Everything is...perfect. Except it isn't. Not in Helston, where every step forward is accompanied by a storm of opposition. Even Queen Ewella and Sir...

Trapped in a rigid hierarchy where girls learn magic and boys train as knights, twelve-year-old nonbinary Callie, who dreams of becoming a knight, and their new friends find themselves embedded in an ancient war, but in order to defeat the threats outside the kingdom they must first defeat the bigotry within.

Kitty helps her best friend Unicorn accomplish his dream of being a mermaid, but despite an elaborate DIY mermaid tail, the friends' trip to the beach does not go as planned and Unicorn's insecurities emerge.