Taran is desperate for adventure, something in short supply for a lowly assistant pig-keeper. When the famous oracular pig Hen Wen vanishes, Taran begins a perilous quest which demands all his courage and strength. Accompanied by his larger-than-life band of followers including hot-headed Eilonwy and the disgruntled dwarf Doli, Taran confronts the evil forces of the Horned King, the witch Achren, and their army of lifeless cauldron-born warriors.