Obsessed with playing World of Modern Mortal Warfruit, Orange doesn't notice that the Sun is still up in the middle of the night! Earth is no longer spinning, and that can mean only one thing: the Earth Hamster has stopped running in his giant exercise wheel. Wait what?! Can Nerville, Orange, and the rest of the bunch journey to the center of the Earth and get things rolling again before Earth boils in its own juices?