There's something in this house - Something ancient and dark that remains still, hidden and silent. It can only wait, having been concealed in the shadows for years. In fact, its milieu is darkness.

An industrial worker who hasn't slept in a year begins to doubt his own sanity.

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.

A teenage girl moves into a remote countryside house with her family, only to discover that their gloomy new home has a horrifying past that threatens to destroy the family.

About the young life and loves of artist Salvador Dalí, filmmaker Luis Buñuel and writer Federico García Lorca.

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...