Nearly a half-millenium after they were blinded and executed for committing human sacrifices, a band of Templar knights returns from the grave to terrorize a rural Portuguese village during its centennial celebration. A small group of people take refuge in a deserted cathedral and must find a way to escape from the creatures.

California, 1847. The territory is about to be incorporated into the United States. Parker, the new governor, is a cruel man who believes that the time has come to get rich regardless of the means, but he will soon find a mysterious opponent driven to end his tyranny.

Dr. Frosta dumps body parts and corpses in the marsh, where they rise up again for vengeance.