- Thornpaw is a loyal apprentice of Sunclan, ready to fight for and defend his clan when it is needed. He is determined to protect his clan when they hear about the strange disappearances, and also steal the heart of his friend Aquapaw. - Cliffwalker, an elder of Darkclan, is intrigued by the 'kidnapper' mystery. He'll do anything he can to know more. - Mythkit, a cheerful, bouncy kitten belonging to Moonclan, who also plans on being a medicine cat one day, encounters a mysterious cat and finds her life may never be the same again. - And finally Renegade, a grouchy rogue just on the outskirts of Lightclan territory, claims to know how to find the missing cats... But can they trust him? ~ Four cats, a kit, an apprentice, an elder, and a rogue embark on a journey to bring home the cats who have mysteriously disappeared, and fear what may happen if their plan goes wrong. The clans could be destroyed.