Far away on the distant planet of Katonia, Sunset rules with the help of the other Persians and Siamese cats, doing his best to maintain peace on the planet. However, as the evil DurPlunk watches and waits for his chance to attack and take over as the ruler of Katonia, everyone may be in danger, even their beloved humans. With help from his Sphynx tribe and his soldier, Rantossen, DurPlunk prepares to battle the Royals. Two Maine Coons, Bootsie and Soxy, make the decision to stand with the Royals and do whatever they can to stop DurPlunk's evil plans from succeeding. With a war approaching and the whole future of their beloved planet at stake, Sunset and the good feline tribes of Katonia must call upon their other allies also. Aligned with the fox and ferret tribes, they will have to work together to keep all of Katonia safe. Join Bootsie and Soxy and all of the good-hearted cats of Katonia as they undertake adventures beyond their wildest dreams!