Four mutant animals- LaserShark, AstroWolf, SmartHawk, and StinkBug- have been created by NNASA (not-NASA) to explore other planets. The criteria: 1. Must be unoccupied. 2. Must support human life. When the nuts reach their first destination, the Plant Planet, it looks positively perfect for their purposes. It's lush with plant life, full of natural food, and seemingly uninhabited. But what if that plant life can think for itself? And what if it thinks it doesn't like our Nuts?