For as long as he can remember, Motorcycle Lizardman has been killing the mountain-sized frog-rhinoceros-cerberus-beasts that inhabit his planet. But one day, he notices a sudden change in them, something that makes them far deadlier than ever before. Now, Motorcylce Lizardman is no evolutionary biologist, but he's pretty sure changes don't happen that quickly. What could've caused this? Luckily, with the help of a team of scientists and a talking avocado, he can find the answer. Unfortunately for Mr. Lizardman, however, the answer simply unlocks an entirely new world of questions...