In Pre-England Britain, before the birth of King Arthur,
Merlin serves under
King Vortigern. Soon after Vortigern's coronation, fire-breathing
dragons land in Britain, setting fire to buildings and eating its inhabitants. The dragons threaten the existence of Britain, and Vortigern instructs Merlin to lead an army against the dragons, ordering his best generals,
Hengist and
Uther to aid Merlin. Merlin plots to defeat the dragons and defeats them using magic and knowledge. == Cast ==