When young mouse Bisky convinces the creatures of Redwall Abbey to go in search of fabled treasure, they do not suspect that the evil Korvus Skurr and his sinister ravens, the Doomwytes, will be vying for the very same treasure. Bisky and his fellow Redwallers must summon all their courage to face their most ruthless enemies yet in an exhilarating, terrifying treasure hunt.