Allison and Cheryl are two college students in a new class, The Psychology of Fear. It is taught by a strange man named Edward Derek. One of Derek's in class experiments makes a jock wet himself in front of everyone, leading to the censuring of the class. Professor Derek invites his students to his home for a private lesson. There, he tells the students three tales centered around fear. In the meantime, the humiliated jock sneaks over to Derek's home to take revenge.
A veteran detective So-young and her rookie partner Hyun-ki come across an incendiary homicide case. They discover that the present case is related to the mysterious death of a girl ten years prior. So-young becomes plagued with nightmares in which the girl appears, and the killings continue.
Art of the Devil tells the story of Boom (Supaksorn Chaimongkol), a young Thai girl who meets a married man named Prathan (Tin Settachoke) at a country club. The two soon begin an affair, and Boom finds herself pregnant. When she breaks the news to Prathan, he appears to settle for giving her a sum of money in exchange for her silence, reassuring her that he will not leave her. However, he then wakes her up in the middle of the night, informing her that for that large an amount of money, he had the right to share her. While Prathan wields a video camera, his friends chase a terrified and screaming Boom out of the room and onto the beach, where they apparently gang-rape her.
Two years ago, six school chums - Ta, Kim, Por, Tair, Noot, and Ko - are faced with a grudge. Ta's mother died when he was young, and his father remarried Ta's teacher, Miss Panor. Kim was his girlfriend (but is now dating Por). The boyish Tair and stylish Noot might be lovers (though this is never made clear), and Ko is their fun-loving friend.
The film opens with a magician, Dit, torturing his former master and demanding the '3rd Eye', which will make him a full disciple of the Three-Eyed God. The master warns that Dit cannot handle all the black magic he's absorbed. Dit stabs his former master in the forehead and tries to dig out the 3rd Eye, but the old man does not seem to have it, leaving Dit to kill him. Later, Dit is in his hotel room, bathing in reeds and herbs, trying to heal a rotting wound on his stomach, caused by too much black magic devouring him from the inside out. Despite this, the wound festers and grows larger.
Arundhati (Anushka Shetty) is the great-granddaughter of the Raja of Gadwal, Mahasamsthan. Arrangements are being made for her marriage. Arundhati is the first female to be born since her great great grandmother and is especially revered in the family. Her grandfather, the head of the family, talks to her with respect as if she were older than him. She receives a misleading phone call in her fiance Rahul's (Arjan Bajwa) voice asking her to come to the fort of Gadwal, where she faces a horrible revelation. Learning the story from an aged servant maid, Chandramma (Manorama), Arundhati comes to know that she is a look alike of her great-grandmother Arundhati/Jejjamma.
A woman gets ready to leave for a get together and finds her husband dead in their room. In no time, a masked man tries to kill her too . His attempt gets failed and he escapes. The woman is now in a state of shock and mentally paralysed. A murder case is registered and investigation takes place. Susi (Kanchana) a young college girl comes to her home for vacation along with her friends. She lives with three younger paternal uncles - the victim who was killed in the first scene, Kamalanathan, Vimalanathan and her aunt who was supposed to be the victim in the hands of the murderer. Long time ago itself Susi's parents were killed. Susi meets Baskar (Ravichandran), a singer and both of them are attracted to each other at first sight.
Cristian Quintanilla (Cristian Valencia) and his sister July (Clara Moraleda) have a web-show of paranormal investigations covering urban legends. When they are invited to spend the Easter holidays at the family's summer home, they intend to investigate the story of Melinda, a girl that went missing in 1940 and supposedly haunts the woods. Cristian and July spend a great deal of time wandering around the hedge maze there with their video cameras. Their father reveals that their mother once knew the maze quite well in her youth.
Architect Walter Craig (Mervyn Johns) arrives at a country house party where he reveals to the assembled guests that he has seen them all in a dream. He appears to have no prior personal knowledge of them but he is able to predict spontaneous events in the house before they unfold. The other guests attempt to test Craig's foresight, while entertaining each other with various tales of uncanny or supernatural events that they experienced or were told about. These include a racing car driver's premonition of a fatal bus crash; a light-hearted tale of two obsessed golfers, one of whom becomes haunted by the other's ghost (cut from the initial USA release); a ghostly encounter during a children's Christmas party (another tale cut from the initial USA release); a haunted antique mirror; and the story of an unbalanced ventriloquist (Michael Redgrave) who believes his amoral dummy is truly alive. The framing story is then capped by a twist ending.
Ten years after a tragic train accident killed his girlfriend, Josh finds himself haunted by disturbing visions from somewhere between the world of the living and the dead—haunting memories that keep him from moving on. His buddy, back in town for their high school reunion, tries to wake Josh from his painful past, but a mysterious young waitress offers a seductive alternative.
Sophia Monet is a young woman battling depression after losing both her parents in the last six months. She becomes increasingly isolated and convinces herself that she'll never see her parents again, dismissing any notion of an afterlife. She is drawn out of this flux when she meets a new love interest, Adam. After Adam's mysterious disappearance, Sophia becomes determined to track him down. Her search leads to an eerie apartment building, where passing the threshold means leaving the living and entering the realm of the dead.
Ivy Templeton (Susan Swift) is a ten-year-old girl, living with her parents, Janice and Bill Templeton (Marsha Mason and John Beck), in New York City. Her parents notice a stranger stalking them over the course of a few weeks, and discover, over lunch with him, that his name is Elliot Hoover (Anthony Hopkins). Hoover is convinced that Ivy is a reincarnation of his daughter Audrey Rose, who died in a fiery car accident, along with his wife, two minutes before Ivy was born. Hoover had come to believe this through information given to him by two clairvoyant psychics. Bill asks a friend of his, an attorney, to hide in their apartment to hear Hoover's full story to build a case against him, but when Hoover speaks Audrey's name out loud, Ivy hears him from her room and enters an altered state where she cannot be calmed down without the assistance of Hoover. In this state, she bangs her hands on a window and becomes burned, which Hoover says is a result of his daughter's experience of being burned alive in the car.
Bureau of Otherworldly Operations (B.O.O.) is a top-secret government agency which employs ghosts to protect humans from evil hauntings. When two new agents named Jackson Moss and Watts uncover a plot by the agency's most wanted haunter Addison Drake to destroy B.O.O., they must use their skills to defeat his ghost army and save the world.
Best-selling novelist Mike Noonan and his wife, Jo, are unable to conceive children; Mike conceals that he has a low sperm count. Jo is killed by a bus while crossing a street. As she dies in his arms, Mike notices she bought a pregnancy test, and assumes that she may have been having an affair. Overcome by grief from her death, Mike develops a case of writer's block. He suffers a series of nightmares about his wife and their summer home on Dark Score Lake in Maine. On advice from his brother, Sid, Mike takes a trip to the summer house.