In dark ages Britain, a time of magic and legend, a powerful druid is bent on destroying the Celtic people. Arthur, a banished warrior, and Merlin, a hermit wizard, embark on a heroic quest to stop the druid and save their people, before the Celts are lost forever and become a myth themselves.

A British couple spend their vacation in a rural vacation resort, but find anything but relaxation there. Instead, Ryan and Rebecca come across the last-ditch followers of a cult, the "Servants of Blood", who want to bring one of the great old gods back to life. They want nothing less than to bring about the end of the world.