Cats have officially become the most popular pets in the Western World. In fact, in the United Kingdom alone, it has been estimated that there are 12 million of them. However, for thousands of years, no animal has divided us just like this one - Are they regal, or simply cold and remote? Are they devoted pets, or are they as irreplaceably wild as their larger and fiercer cousins? This documentary looks to answer these questions and discover just why it is that cats divide us so much, and how one of nature's most efficient killers has become one of our favorite companions.