Set in the mythical land of Prydain during the Early Middle Ages, the film centers on a wicked emperor known as the Horned King, who hopes to secure an ancient magical cauldron that will aid him in his desire to conquer the world. He is opposed by young swineherd Taran, the young Princess Eilonwy, the harp-playing bard Fflewddur Fflam, and a friendly wild creature named Gurgi who seek to destroy the cauldron, to prevent the Horned King from ruling the world.
