A future Sherwood Forest and everyone living there is dying. Larna and Aron Gorry are summoned back into the future to help stop the spread of the Grey Death and prevent it from travelling through all earth's time portals; past, present and future.
Joining forces with the wizard Tiblou they will face much opposition including deadly red spiders, an evil Boggret and Caradog and Adeline, who have awakened from a thousand-year sleep and are on the hunt for two bodies to become mortal again.
Can Larna and Aron stop the Grey Death in time and avoid being Caradog and Adeline's victims?