Paranormal Activity is an American supernatural horror film series, consisting of six films. Created by Oren Peli, the original film was widely released in 2009.
Set in 2006, a young couple, Katie and Micah, who have recently moved to a new house in San Diego, California, are terrorized by a demon that Katie believes has been following her all her life. The film is designed to look like a found footagestyled film with Micah filming the activity in their household.Several weeks before the events of the first film, Katies sister, Kristi Rey, and her family, who reside in Carlsbad, California, experience strange activity after Kristis baby son, Hunter, is born. The film uses security cameras and a handheld camera used in some scenes to film the activity in the house. ........
Source: Wikipedia