Tasked with the protection of all mythical creatures and relics, the immortal Keepers have prevailed for centuries. Now faced with the impossible murder of one of their own, it's up to Merewin to find a suitable recruit. Unfortunate for him, Jack Andrews is skeptical, anti-social and mortal. As Jack finds himself unwillingly drawn further into the secrets of the Keepers, will Merewin be able to convince him to stay? Or will learning their secrets - especially that of time travel - cost him too much of himself?