When Lunella loses a game of chess against a supercomputer, her obsession with winning drives the frustrated computer to program every device in the school to attack her.

Moon Girl’s rivalry with a new teenage super-foe, Kid Kree, threatens her budding friendship with his human alter ego, Marvin.

When I.S. 833 gets an impressive science teacher, Lunella is so eager to impress her that her drive toward perfectionism starts doing more harm than good.