While attending a strict academy for potential princesses with the other girls from her mountain village, fourteen-year-old Miri discovers unexpected talents and connections to her homeland.

Princess Nubia loves her mothers, their home on Themyscira, and all her Amazon aunties, but when Princess Diana is assigned to her bedroom she must learn to live and excel with her new sister.

Today is Princess Magnolia's birthday party, and she wants everything to be perfect. But just as her guests are arriving ... Brring! Brring! The monster alarm! Princess Magnolia runs to the broom closet, ditches her frilly clothes, and becomes the Princess in Black! She rushes to the goat pasture, defeats the monster, and returns to the castle before her guests discover her secret. But every time Princess Magnolia is about to open her presents, the...