Freddy vs. Jason is a 2003 American slasher action film directed by Ronny Yu. The film is a crossover between the Friday the 13th and A Nightmare on Elm Street franchises. It is the eleventh and eighth entries in their respective series, pitting Freddy Krueger and Jason Voorhees against each other. The film is also the last film in both the Friday the 13th and Nightmare on Elm Street franchises before they were both rebooted. It was filmed in the United States, Canada and Italy.
Freddy Krueger is trapped in Hell, its 2003 andyears after the events and time of the sixth film and due to the fact the teenage residents of his town of Springwood, Ohio have forgotten about him, rendering him powerless, he can no longer return to Springwood, because theres no fear of him left in the entire town. He cant come back if nobodys afraid, so, under the guise of Jason Voorhees mother, Freddy manipulates Jason, who hed been looking for over a period of time to do so, into killing the teenage residents of Springwood, hoping the mass fear will restore his powers. Since the residents of Springwood were terrorized by him and not Jason, Freddy reasons, the fear will be directed towards him, giving him more power than ever hoped for. His plan succeeds and Freddy is allowed to return.Lori Campbell now lives with her widowed father at 1428 Elm Street. Her friends Kia, Gibb, Trey, and Blake, spend the night, and Jason kills Trey by stabbing him in the back, before folding him in half with the mattress. The gruesomeness of the murder and the fact it happened in bed cause police to speculate Freddy was responsible. Later, Blake has a nightmare about Freddy, and awakens to find his beheaded father sitting beside him before Jason appears and kills Blake as well. The next day, the police blame the murders on Blake, who they say committed suicide. ........
Source: Wikipedia