At the end of the twentieth century, humanity created something that could destroy it - a race of intelligent cats. They will be led by Murro, the first emperor of the World Cat Empire. The cats will quickly overtake their teachers, but they will have to face the sinister empire of K.R.Y.S., as well as an army of ruthless robots. Fortunately, Earth is not the only inhabited world in the Web and the inhabitants of the planet Shatter will help the young cat empire and its ambitious leader Murro.