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?

Larna and Aron Gorry are forced back to the future Sherwood Forest and land smack in the middle of an epic and bloody battle. With the help of the young wizard Tiblou, they take on a new evil who is hell bent on gaining super powers at any cost; a murderous Boggret and a host of others, some good, some evil. Their perilous journey takes them to a new ice cold world where they have to fight for their lives against dark forces. Full of twists and turns, this adventure takes place set above and deep below ground before reaching its breath-taking climax.