"Prince of Darkness" is a 1987 horror film directed by John Carpenter. The story revolves around a group of scientists and students who discover a mysterious cylinder containing a dark entity. As they investigate, they realize that this entity is the embodiment of evil, threatening to unleash chaos upon the world. The film combines elements of supernatural horror and science fiction, exploring themes of faith, fear, and the unknown. It features a unique blend of suspense and philosophical questions, making it a notable entry in Carpenter's filmography, alongside other works like Halloween and The Thing.