Supergirl is the new girl in school, and she just also happens to be the most powerful teenager in the galaxy! After losing her home planet of Krypton and everyone she knows, Supergirl has made a new home on Earth, but she isn't so sure that Super Hero High School is the right place for her. Wonder Woman, other new friends, and a kindly librarian make her feel welcome, but breached inter-dimensional portals, invading alien armies, and bad dreams shake her confidence. It's not easy being a superhero and a high school student all at once!