In a land lost in mist, in a time before time, there is a powerful Sword of Light. Now Merlin the Magician needs that sword for the good of all Camelot. He turns again to Jack and Annie for help. And again, Jack and Annie take up the challenge! With only a rhyme to lead them, they set out on a journey filled with fabulous creatures. But can they face their fears and solve an ancient riddle before night falls?