When the curfew bell tolls in the Dark End you had better be off the street! The icy Colony of Javeer, brutally ruled by Horando and his Gulden Guard, is a horrific setting for Level 4 of Matt's computer game. Targon has disappeared and Varl has been thrown into Central Jail. When Matt attempts to rescue Varl, he learns that Horando is not the only enemy he must beat. Gnashers live deep in the gold mines and are killing humans that dare to enter. Can Matt defeat Horando and save Varl before he becomes the next victim of the Gnashers?