An unassuming high schooler finds himself inexplicably drawn to the free-spirited new girl, whose unconventional ways change how they see themselves…and their world.

Courtney Whitmore, a smart, athletic and above all else kind girl, discovers her step-father has a secret: he used to be the sidekick to a superhero. "Borrowing" the long-lost hero’s cosmic staff, she becomes the unlikely inspiration for an entirely new generation of superheroes.