Fone Bone and Smiley return a lost rat creature cub to the mountains and discover Rock Jaw, a giant mountain lion whose big ambitions bring him face-to-face with monstrous competition.
Princess Rose musters up courage to face the dragon that threatens the small towns in the Northern Valley, only to discover the dragon is actually the Lord of the Locusts; and meanwhile, her sister, Princess Briar, embarks on a more sinister quest.
