"Paranormal Activity" is a 2007 horror film directed by Oren Peli. The story follows a young couple, Katie and Micah, who move into a suburban home and begin to experience disturbing supernatural occurrences. To document these events, they set up a video camera in their bedroom, capturing the escalating tension and fear as they try to understand the entity haunting them. The film is known for its found-footage style, which creates a sense of realism and immersion. It gained significant popularity for its low-budget production and effective use of suspense, leading to several sequels and establishing a franchise in the horror genre.