The plot will revolve around the same haunted board as the first Ouija, with Basso's character unwisely using it to attempt contact with her recently deceased father.
The film opens with a scene left off from Paranormal Activity 3 where Katie and Kristi are watching Dennis getting his spine crushed by a mysterious force. Grandma Lois takes the girls upstairs while an unseen force takes the camera with them. They all go into a dark room while a man encounters the girls and talks to them about "Toby" and how they are critically important to his plan.
In 1975 Spain, a young girl named Laura is given up for adoption. Years later, adult Laura (Rueda) returns to the closed orphanage, accompanied by her husband, Carlos (Cayo), and their seven-year-old adopted son, Simón (Príncep). She plans to reopen the orphanage as a facility for disabled children. Simón claims to see a boy named Tomás (Óscar Casas). He befriends Tomás and draws pictures of him as a child wearing a sack mask. Social worker Benigna Escobedo (Montserrat Carulla) informs Laura that Simón's adoption file indicates that Simón is HIV positive. Incensed at Benigna's intrusion, Laura asks her to leave. She later finds Benigna in the orphanage's coal shed, but Benigna flees the scene. Later, Simón teaches Laura a game which grants its winner a wish. Clues lead the two to Simón's adoption file. Simón becomes angry, and says that his new friend told him that Laura is not his biological mother and that he is going to die soon.
In 1987, Sara Campbell (Virginia Madsen) is driving her son Matthew (Kyle Gallner) home from the hospital where he has been undergoing cancer treatments and traumas. Sara and her husband Peter (Martin Donovan), a recovering alcoholic, discuss finding a rental house closer to the hospital. On another hospital visit, Sara finds a man putting up a “For Rent” sign in front of a large house. The man is frustrated and offers her the first month free if she will rent it immediately. On the trip home, Matt is in extreme pain, so Sara drives back to the house, where they stay for the night.
Casey Beldon has nightmarish hallucinations of strange-looking dogs in the neighbourhood and an evil child with bright blue eyes following her around. While babysitting Matty, her neighbor's son, she finds him showing his infant sibling its reflection in a mirror. Matty attacks Casey, smashing the mirror on her head, and tells her: "Jumby wants to be born now". She puts him to bed and leaves in shock.
Barbara and Adam Maitland decide to spend their vacation decorating their idyllic Connecticut country home. As the two are driving home from a trip to town, Barbara swerves to avoid a dog and the car plunges into a river. After they return home, she and Adam notice that they now lack reflections and they discover a Handbook for the Recently Deceased.
In 1887, Edith Cushing, the young daughter of wealthy American businessman Carter Cushing, is visited by her mother's ghost who warns her, "beware of Crimson Peak."
Pete Sandich (Dreyfuss) is an aerial firefighter, flying a war-surplus A-26 bomber dropping fire retardant slurry to put out forest wildfires. His excessive risk taking in the air deeply troubles his girlfriend, Dorinda Durston (Hunter), a pilot who doubles as a dispatcher, and is also of concern to his best friend, Al Yackey (Goodman), a fellow fighter. On one flight, Pete makes one extra drop, runs out of fuel, and barely manages to glide onto the runway.
A young American woman, Greta, takes a job as a nanny in a remote English village. When she arrives, she discovers that the 8-year-old boy she was hired to care for is actually a life-size porcelain doll that the parents treat like a real boy, as a way to cope with the death of their son. After violating a list of strict rules, disturbing events lead Greta to become increasingly convinced that the doll might actually be alive.
A security guard is running through a subway station, he eventually enters a room he cannot escape from and starts begging his reflection in a mirror for his life. Suddenly, his reflection cuts its throat with a mirror shard, killing the "real" security guard.
In May 1962, dozens of wealthy passengers are dancing in the ballroom and upon the deck of the Italian ocean liner, Antonia Graza, while the ship's lounge singer, Francesca, sings "Senza Fine". On the deck, the sole child aboard, Katie Harwood, is sitting alone, until the ship's captain offers to dance with her. Elsewhere, a hand presses a lever that unravels a spool of wire from the ship's cargo crane. The spool snaps and the wire slices across the dance floor, cutting the dancers in half at the waist. Katie alone is spared due to her height.
Like the rest of the Ju-on series, the film takes place over a period of time, and is told in a non-linear order as six overlapping vignettes. The overarching plot involves the haunted house of the deceased Saeki family, whose brutal murders caused by Kayako Saeki’s crush on another man led to the creation of a curse. Anyone who enters the house will be cursed and eventually consumed by the ghosts of the Saekis. The vignettes are presented in the following order: Kyoko (京子), Tomoka (朋香), Megumi (恵), Keisuke (圭介), Chiharu (千春), and Kayako (伽椰子).
Ghost hunter Cyrus Kriticos (F. Murray Abraham) and his psychic assistant Dennis Rafkin (Matthew Lillard) lead a team on a mission to capture a spirit called the Juggernaut. Several men are killed, including Cyrus. However, the team is able to catch the ghost. Cyrus's nephew Arthur (Tony Shalhoub), a widower, is informed by Cyrus's estate lawyer, Ben Moss (J. R. Bourne), that he has inherited Cyrus' mansion. Financially insecure, Arthur decides to move there with his two children, Kathy (Shannon Elizabeth) and Bobby (Alec Roberts) and their nanny Maggie (Rah Digga).
On the surface, Tim Jensen seems to be a normal person, with a steady job and a good relationship with his girlfriend Jessica; however, a terrifying event that he witnessed as a child has left him traumatized, where his father was taken by the Boogeyman, an evil creature which lives in all closets worldwide. Since then, he has taken precautions to ensure that the Boogeyman cannot get to him, such as sleeping on a mattress on the floor, and removing all closets from his home and keeping all his clothes in a dresser drawer.