House On Haunted Hill (1959)

"House on Haunted Hill" is a 1959 horror film directed by William Castle. Here's a summary of the plot:

The film follows a wealthy eccentric named Frederick Loren (played by Vincent Price), who invites five strangers to spend the night in a supposedly haunted mansion. Loren offers each guest $10,000 if they can survive the night inside the house.

As the guests arrive at the mansion, they quickly realize that they are in for a terrifying night. Strange occurrences begin to happen, including mysterious noises, ghostly apparitions, and unexplained deaths.

As the night progresses, the guests become increasingly paranoid and suspicious of each other. They soon discover that each of them has a dark secret and a motive for wanting the $10,000 prize.

Meanwhile, Frederick Loren's wife, Annabelle (played by Carol Ohmart), appears to be in cahoots with the mansion's resident caretakers, who seem to have their own sinister agenda.

As the tension mounts and the body count rises, the guests must band together to uncover the truth behind the hauntings and escape the mansion before it's too late.

In the climax of the film, the true mastermind behind the hauntings is revealed in a shocking twist, leading to a thrilling and suspenseful conclusion.

"House on Haunted Hill" is a classic horror film known for its eerie atmosphere, suspenseful plot, and iconic performances, particularly by Vincent Price. It remains a favorite among fans of the genre and is regarded as one of William Castle's most memorable films.