Driven from Kamistra – their island home – the Dwarfgiants flee across the Sulphur Sea. With little food and water they find sanctuary in the remains of a castle ruin on the mysterious island of Helborin. What they don’t know is that the ancient structure holds a sinister past – one that is about to repeat itself. If the Dwarfgiants are to survive, Addi, a young Dwarfgiant, must be found. Missing in the Dark Wood, he unwittingly holds the secret that would save them from the evil Raslatomb...