A long time ago, plants and animals lived in harmony . . . until mankind came to power and, unable to coexist with nature, destroyed and exploited both flora and fauna without a second thought. Now the world has become a barren wasteland. But witches have the power to speak to nature. Blamed for the extinction of plant life, and feared by humanity for their powers, they hide away from the rest of humanity in secret lairs bursting with greenery.