The movie acts as another prequel prior to the events of the first two movies. Ali Rey and her friend, Chloe Cooper start to discover paranormal events taking place in both of their homes. They do research on ghosts and demons and discover that they both have unfinished business in their paths. Kristi and Daniel Rey adopt an orphan child and discover that he brought something into their home Anna sleeping
Official Blog: Paranormal Activity 4
- Katie Featherston as Katie Featherston - Kristi's sister and Daniel's sister-in-law
- Abigail Breslin as Chloe Cooper - Ali's best friend
- Sprague Grayden as Kristi Rey - Katie's sister
- Brian Boland as Daniel Rey - Kristi's husband and Ali's father
- Milla Jovovich as Abigail Nightingale - Katie's next door neighbor
- Meagan Good as Karima Dansby - Katie's best friend
- Molly Ephraim as Ali Rey - Daniel's and Kristi's daughter
- Connor Gibbs as Thomas Rey - Daniel's and Kristi's adopted son
- Ellen Wroe as Samantha Cooper - Chloe's sister and Anna Lenna as Anna
- Voice: What happens when you are asleep?
- (Chloe sleep)
- (Ghost walk)
- (Ghost grab Chloe's leg)
- (Ghost walk with the ghost grab Chloe)
- (Chloe scream)
- Chloe: SAMANTHAAAAA!
- Chloe: HELP MEEEEE SAMMANTHHAAAAA!
- (The ghost go to kitchen still hold Chloe in the leg)
- (Anna hear Chloe)
- Chloe: SAMMMMANNTHHHAAA, HELLPPP MEEEEEE, SOMEBODDDYYY? (scream).
- (Door open)
- Anna help Chloe
- (Video stop)
- Voice: This 13 year old girl, Chloe Cooper live the house with her 18 year old sister.
- Voice: It got ghosts and demons. Her house is got paranormal events and also her best friend's house.
- (Anna and Chloe run and kick the ghost)
- (Ghost roar and grab Chloe)
- (Chloe scream and Anna scream too)
- (Door lock)
- Voice: You will never seen this before.
- Voice: Paranormal Activity 4.
Chloe trapped in the cellar with the ghostEdit
Anna: i help you!!
(Chloe saw the ghost's footstep)
Chloe: (scream), holy shit.
Chloe: Anna and Chloe was right, I need to be safe in this house.
Chloe: Where is the ghost and I need to get out of here.
Anna: look A camera is filming.
(Chloe hold the camera)
(Chloe bang the door)
Chloe (scream): SAMANTHAAAAAA, HELLPPPP MEEEE, I WASSSS TRAPPPEDDD IN THE CELLARRR.
Chloe (echo): SAMANTHAAAAAA, HELLPPPP MEEEE, I WASSSS TRAPPPEDDD IN THE CELLARRR.
Chloe (scream): HEEELLPPPPPPPPPPPPPPPPPPPPPPPP.
Chloe (echo): HEEELLPPPPPPPPPPPPPPPPPPPPPPPP.
Chloe: the exit
Chloe (echo): we're escaped
Daniel Rey - Katie finds Daniel sleeping on the couch and she snaps his neck
Kristi Rey - Katie walks into Hunter's room and throws Kristi against a camera
Abigail Nightingale - While Abigail tries to banish an evil spirit, an unseen entity levitates Abigail above her floor and Chloe violently slashes her throat with a kitchen knife, after attacked by Katie. Blood is shown
Ali Rey - Ali sees a water pump get pushed out of the pool and goes to investigate. While Ali looks down at the water, Chloe who was attacked and possessed by Katie push her and drowns her
Samantha Cooper - Chloe, who is possessed by Katie, throws Samantha over their stair railing
Katie, Hunter and Chloe's fate are unknown