Infuriated by the declaration that Pluto is no longer a planet, President Penguin and his penguins invade Earth and it is up to Ricky and his robot pal to defeat them--with some help from Ricky's cousin Lucy and her pets.

By flipping the pages, the reader may view animated illustrations that follow Ricky Ricotta, a small mouse, his giant flying robot, and his annoying cousin Lucy, as they battle the nightcrawlers from Neptune that are invading through a wormhole.

A small mouse and his best friend, a giant flying robot, attempt to save the Earth when an evil Martian monkey and his mechanical creations attack.