Cloverfield is a 2008 American found footage monster horror film directed by Matt Reeves, produced by J. J. Abrams and Bryan Burk, and written by Drew Goddard. Before settling on an official title, the film was marketed as 011808. The film follows six young New York City residents attending a goingaway party on the night that a gigantic monster attacks the city.

The film is presented as found footage from a personal video camera recovered by the United States Department of Defense. A disclaimer text states that the footage is of a case designated Cloverfield and was found in area US447, formerly known as Central Park. The video consists primarily of segments taped the night of Friday, May 22, 2009. Occasionally, older segments are shown from a previous video that was mostly taped over.The first video segment shows Beth waking up on the morning of Monday, Aprilhaving slept with Rob, a previously platonic friend, who is filming her. They make plans to go to Coney Island that day. The footage then cuts to Friday, May 22, when Robs brother Jason and his girlfriend Lily prepare a farewell party for Rob, who will be moving to Japan. Their friend Hud uses the camera to film testimonials during the party. ........

Source: Wikipedia