The story of a boy, Melleron, who meets Rose, the dragon, and Grit, the stone dog, who have come to the Peaceful Forest to escape from their sworn enemy, Horrimal - a huge monster with horns, yellow evil eyes, and a mouthful of fangs. But Horrimal and the wicked sorceror, Saelez, are soon on the trail of Rose and Grit, and Melleron has to help them in their fight against the evil pair.