Science, silliness and super-villains! Noelle "Know-All" Hawkins has another case to solve. Her famous scientist dad—Professor Brian "Big Brain" Hawkins—is in prison because of his portaloo mishaps. A trip to the Science Museum results in a mystery involving the moon, mindreading, and a lot of grumpy people. But Noelle, Holly and Porter are on the case. Will they piece together the crazy clues in time to save the planet? And why is Dad walking round prison with a blanket on his head?