Lunella Lafayette is a preteen genius who wants to change the world! That job would be a lot easier if she wasn't living in mortal fear of her latent Inhuman gene. Just when she thinks she's found a solution, Lunella's life is turned upside down when a red-scaled beast is teleported from the prehistoric past to a far-flung future we call... today! Together they're the most Marvelous Team-Up of all - Moon Girl and Devil Dinosaur!