Tailey came from the humblest of beginnings. His life had begun as a stray barn cat, and though he was now the beloved companion and protector of a young, deaf girl named Megan, he still had no idea of how far afield his destiny would soon take him, or how dangerous things would become. Megan is under grievous threat from Ichneumon, Possessor of Souls, who seeks to erase her and the threat of her powerful, unrealized magic from existence, assuring his own continued supremacy on his home world of Katlyn. But when a mysterious cat's eye stone whisks Tailey off to that other world, under its blue sun, and he finds himself in the midst of an epic battle between good and evil, all he can think of is getting back to his little girl and keeping her safe.

With the help of the cats of Katlyn, a wolf cub, a small but magical creature called Nep, and the enormous and wise Animond, Yahmond Yah, he searches for a way back home, even as Katlyn is being torn asunder by the dark forces of Ichneumon on one side and the ancient evil of the ebony sword on the other. As peace unravels and blood is shed on all sides, ancient enemies will come together, forging new bonds of trust, and working together to stand against the darkness. But amidst such chaos and uncertainty, how can one small gray cat ever hope to find his way home ... before it's too late.