A tyrannical ruler has taken over Earth and Mythica, possessing people to do his bidding. But when a prophecy foretold thousands of years ago starts to go into effect, a griffin by the name of Aries has to leave her home and become the appointed knight of the prince of the Mammals. She, the prince, and the Head of the Royal Guard's adopted child are forced to stop the destruction of all Earthian kind and help the people of Mythica find a home that won't fade away under their feet.