A boating accident runs a young man and woman ashore in a decrepit Spanish fishing town which they discover is in the grips of an ancient sea god and its monstrous half human offspring.

After 13 years in prison, the mad scientist from Re-Animator (1985) gets a new chance to experiment with the arrival of a young prison doctor, who secretly hopes to learn to reanimate dead people. Good intentions turn to horror.

Everyone's favorite mad scientist Herbert West is currently in jail after having state's evidence turned against him by his former assistant, Dan Cain. While being led away, some re-agent falls from his pocket where it is picked up by a young man who was camping nearby. The young man finds Herbert down in his jail cell and learns for himself just what the re-agent is capable of.

Everyone's favorite mad scientist Herbert West is currently in jail after having state's evidence turned against him by his former assistant, Dan Cain. While being led away, some re-agent falls from his pocket where it is picked up by a young man who was camping nearby. The young man finds Herbert down in his jail cell and learns for himself just what the re-agent is capable of.

Based on a short story by H.P. Lovecraft, the undisputed master of the macabre, Dagon tells the story of Paul Marsh, a young man who discovers that the truth will not set him free instead it condemns him to a waking nightmare of unrelenting horror. A boating accident off the coast of Spain sends Paul and his girlfriend Barbara to the decrepit fishing village of Imboca looking for help. As night falls, people start to disappear and things not quite human start to appear. Paul finds himself pursued by the entire town. Running for his life, he uncovers Imboca's dark secret: that they pray to Dagon, a monstrous god of the sea. And Dagon's unholy offspring are freakish half-human creatures on the loose in Imboca...