Goodbye to All Cats is about the movement to remove all domestic cats from a unique island ecosystem, New Zealand, to protect endangered endemic species, including many ground nesting birds and the short-tailed bat, which evolved without mammalian predators, and are crucial to the unique biodiversity of New Zealand. But New Zealanders are among the most passionate cat lovers in the world with one of the highest levels of cat ownership and a strong belief in a cat's right to roam freely for its own well-being. Goodbye to All Cats explores the issues and arguments surrounding this emotional battle.