Following news of his sister Elizabeth's passing, Francis Barnard journeys to Spain to discover how she died. Upon reaching Medina castle, he encounters the Medina family, who seem secretive and untrustworthy, and finds the castle itself a gloomy location with a history of tragedy. The Pit And The Pendulum is the second installment in the series of Edgar Allan Poe adaptations directed by Roger Corman, and it stands out as one of the strongest entries. Blending horror elements with a dreamlike thriller feel, and including touches of humor, the film works quite effectively. We are introduced to the Medina castle via a shot of a beach – a large, imposing structure perched on a cliff edge, naturally shrouded in mist—and from that moment it’s clear that discomfort will be our constant companion. Once inside, the castle becomes central to the story, with roaring fireplaces and hidden rooms all skillfully presented by Corman and his crew. A narrative of insanity, trickery, and cruel family history unfolds, solidifying The Pit And The Pendulum's place among the best of the Poe adaptations. Richard Matheson was brought in to expand on Poe’s original short story, and he proved perfectly suited to creating a Gothic masterpiece. Corman once again cast Vincent Price as his lead actor, who delivers an exceptionally entertaining performance where over-the-top theatricality and encroaching madness seem like a natural pairing. The supporting actors are overshadowed by Price's talent, although Barbara Steele deserves recognition for her work portraying Elizabeth. Floyd Crosby handled the cinematography, capturing the rich colors and oppressive atmosphere of Medina castle. Corman’s direction is also exceptional; his camera work greatly enhances the growing sense of fear that permeates the film—the standout moment being a remarkable point-of-view sequence showing the pendulum from the title, which is just one of many technical achievements on display. 8/10

Source on TMDB