The lost city of the cats must be found. Danu - most ancient Celtic deity - has selected a young, Irish cat for the task. Deidre is enjoying a peaceful lifestyle - sunny patches and the smell of sausages - when her life collides with the fantastical world of the ancient Celts and she becomes embroiled in a world of fae folk, ancient gods and goddesses, legendary Celtic heroes, and monsters. When Deidre's fluffy kitten brother goes missing, and Deidre's father confesses a startling secret, Deidre sets off with a group of unusual friends to rescue the little kitten. But, Deidre doesn't yet...